Number 20

In La Primitiva under the 6/49 + 1/49 · Oct 1985 – Jan 2013 rules — 2,558 draws, 6 from 1–49 (an earlier era).

284times drawn · chance expected 313 −1.76σ

9draws waiting · a wait this long: 35% for any number

9.0average wait between appearances · chance says 8.2

96longest completed wait · 0.1% chance of one at least that long

20 is drawn as often as chance explains

Drawn 284 times in 2,558 draws against 313.2 expected, −1.76σ. Each draw is independent: after 9 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 48 times, counted separately.

Number 20, draw by draw

Drawn 284 times in 2,558 draws · average wait 9.0 draws · longest completed wait 96 · waiting 9 draws now

a completed wait — darker is longer the wait still running — a lower bound, not a finished gap

Where it lands in a sorted draw

Sort a draw and 20 has a favourite seat — chance gives a small number the low positions more often. That is the shape of sorting, not of the machine.

1st smallest18 · chance 19.7
2nd smallest65 · chance 74.8
3rd smallest111 · chance 103.6
4th smallest70 · chance 65.3
5th smallest17 · chance 18.6
6th smallest3 · chance 1.9

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 29.6 shared draws, and the leaders are simply the ones that came out ahead this time.

17 23 45 38 16 29

It has shared a draw with every one of the other 48 numbers; chance expected about 0.0 still unmet by now. Every pair →

How many people play it

Under the crowd model, 20 is picked about 1.28× as often as an indifferent choice — 13th most popular of 49. That changes nothing about whether it comes up, and everything about how many ways a jackpot on it would be shared.

Numbers 1–31 — the birthday zone ×1.22
Round numbers (multiples of 10) ×1.05

The model and its sources → · What people believe about 20 →

Every draw it appeared in

Date	Wait	Position	The draw
2012-11-29	4	4th	2 11 16 20 23 41
2012-11-15	6	3rd	9 18 20 29 33 47
2012-10-25	9	3rd	7 14 20 26 30 44
2012-09-22

What this cannot tell you

Nothing here predicts the next draw. A number’s history is a record of a fair machine’s past, and the machine keeps none of it: 20 is drawn with probability 6/49 tonight whatever it did last week.

2011-02-05	14	4th	2 11 13 20 27 30
2010-12-18	16	3rd	7 19 20 23 28 45
2010-10-23	4	4th	7 8 10 20 30 40
2010-10-09	18	3rd	12 15 20 36 37 44
2010-08-07	10	4th	10 13 15 20 28 30
2010-07-03	4	5th	6 11 12 13 20 31
2010-06-19	2	4th	3 7 18 20 34 37
2010-06-12	2	4th	1 8 15 20 25 36
2010-06-05	15	3rd	3 12 20 28 41 42
2010-04-15	4	3rd	1 17 20 29 38 39
2010-04-01	7	4th	2 5 8 20 40 43
2010-03-06	4	3rd	7 14 20 29 31 32
2010-02-20	2	4th	13 14 18 20 33 45
2010-02-13	9	5th	6 15 17 19 20 30
2010-01-14	4	4th	1 2 4 20 33 48
2009-12-31	23	3rd	17 19 20 30 34 37
2009-10-10	2	5th	3 9 14 18 20 35
2009-10-03	1	2nd	3 20 27 35 42 47
2009-10-01	17	3rd	5 15 20 29 38 39
2009-08-01	7	2nd	6 20 25 41 44 49
2009-07-09	24	4th	2 7 13 20 27 30
2009-04-16	16	5th	8 11 14 19 20 47
2009-02-19	4	4th	4 8 16 20 38 39
2009-02-05	15	5th	3 8 13 19 20 27
2008-12-13	4	4th	7 8 10 20 30 36
2008-11-29	1	2nd	8 20 27 28 35 46
2008-11-27	6	3rd	12 16 20 25 37 38
2008-11-06	6	3rd	5 8 20 23 24 32
2008-10-16	3	2nd	13 20 21 23 32 45
2008-10-04	3	5th	4 7 14 16 20 24
2008-09-25	14	1st	20 25 30 37 39 40
2008-08-07	1	4th	2 12 13 20 38 44
2008-08-02	7	2nd	10 20 24 25 30 48
2008-07-10	6	3rd	12 18 20 23 27 47
2008-06-19	19	3rd	2 19 20 23 28 47
2008-04-12	3	3rd	6 17 20 23 28 29
2008-04-03	10	3rd	10 17 20 25 38 41
2008-02-28	4	3rd	14 17 20 28 34 43
2008-02-14	6	3rd	8 11 20 23 48 49
2008-01-24	7	2nd	12 20 35 38 39 42
2007-12-29	32	2nd	3 20 22 25 27 45
2007-09-08	3	4th	8 12 16 20 29 42
2007-08-30	5	4th	4 6 16 20 22 41
2007-08-11	3	3rd	16 19 20 32 37 47
2007-08-02	2	3rd	1 19 20 34 38 40
2007-07-26	8	1st	20 29 35 41 46 47
2007-06-28	5	1st	20 25 30 34 42 43
2007-06-09	6	4th	2 4 11 20 35 47
2007-05-19	4	5th	4 9 12 15 20 44
2007-05-05	1	2nd	13 20 21 28 41 46
2007-05-03	12	3rd	5 10 20 22 36 38
2007-03-22	4	4th	5 16 17 20 38 43
2007-03-08	4	2nd	2 20 21 29 38 39
2007-02-22	2	2nd	3 20 21 23 30 46
2007-02-15	18	2nd	11 20 27 35 41 43
2006-12-14	3	3rd	9 10 20 22 27 41
2006-12-02	7	1st	20 27 32 38 41 42
2006-11-09	5	2nd	15 20 28 32 38 41
2006-10-21	1	2nd	11 20 25 29 31 44
2006-10-19	2	4th	1 7 16 20 27 39
2006-10-12	1	3rd	7 15 20 23 41 44
2006-10-07	17	5th	2 4 5 6 20 36
2006-08-10	3	3rd	4 8 20 23 27 33
2006-07-29	19	4th	1 3 18 20 39 44
2006-05-25	5	4th	5 7 12 20 27 35
2006-05-06	1	4th	5 7 19 20 29 40
2006-05-04	15	3rd	1 7 20 21 32 38
2006-03-11	1	3rd	9 16 20 21 41 45
2006-03-09	16	4th	3 12 13 20 24 32
2006-01-12	4	3rd	17 19 20 25 44 46
2005-12-29	3	3rd	4 10 20 23 46 48
2005-12-17	25	3rd	6 9 20 27 32 37
2005-09-22	12	3rd	13 15 20 42 47 49
2005-08-11	7	3rd	2 19 20 30 33 46
2005-07-16	3	3rd	4 5 20 24 25 39
2005-07-07	5	4th	10 17 18 20 24 43
2005-06-18	4	3rd	15 16 20 30 32 42
2005-06-04	4	3rd	5 11 20 29 33 49
2005-05-21	5	2nd	5 20 25 27 42 49
2005-05-05	1	3rd	1 16 20 22 23 33
2005-04-30	24	3rd	6 10 20 23 34 40
2005-02-05	7	3rd	3 16 20 34 41 49
2005-01-13	16	5th	3 7 9 15 20 42
2004-11-18	35	4th	3 5 11 20 29 43
2004-07-17	8	3rd	11 16 20 34 45 47
2004-06-19	24	3rd	9 15 20 28 42 43
2004-03-27	2	3rd	5 9 20 28 31 34
2004-03-20	6	5th	1 5 7 10 20 26
2004-02-28	7	2nd	15 20 25 31 37 49
2004-02-05	1	4th	6 14 15 20 29 36
2004-01-31	14	4th	4 6 16 20 24 42
2003-12-13	12	2nd	12 20 35 36 40 45
2003-11-01	11	1st	20 22 27 34 35 49
2003-09-25	3	4th	1 2 7 20 23 46
2003-09-13	6	3rd	9 13 20 28 33 46
2003-08-23	25	3rd	3 6 20 24 31 48
2003-05-29	2	2nd	6 20 32 34 35 43
2003-05-22	8	2nd	19 20 24 33 35 48
2003-04-24	30	1st	20 25 29 37 38 46
2003-01-09	15	4th	9 15 16 20 23 25
2002-11-16	13	2nd	15 20 22 35 40 42
2002-10-03	35	3rd	13 18 20 42 46 48
2002-06-01	16	2nd	9 20 31 37 38 40
2002-04-06	18	5th	3 4 5 10 20 34
2002-02-02	17	3rd	5 6 20 25 32 39
2001-12-06	11	1st	20 36 38 40 42 46
2001-10-27	6	3rd	5 7 20 24 25 35
2001-10-06	12	2nd	5 20 28 35 38 49
2001-08-25	16	4th	11 12 15 20 27 38
2001-06-30	10	3rd	5 18 20 34 38 40
2001-05-26	11	2nd	17 20 34 42 43 45
2001-04-19	9	2nd	17 20 33 40 42 43
2001-03-17	2	4th	6 16 18 20 23 47
2001-03-10	10	2nd	13 20 25 29 33 37
2001-02-03	3	3rd	1 17 20 27 28 30
2001-01-25	4	3rd	10 15 20 30 37 45
2001-01-11	12	3rd	1 9 20 22 38 48
2000-11-30	13	2nd	18 20 26 28 47 48
2000-10-14	16	2nd	11 20 22 25 27 36
2000-08-19	1	1st	20 22 25 30 37 48
2000-08-17	1	3rd	2 12 20 24 31 47
2000-08-12	6	3rd	1 15 20 33 37 49
2000-07-22	10	3rd	4 14 20 35 45 46
2000-06-17	7	2nd	11 20 27 42 44 46
2000-05-25	21	3rd	2 8 20 22 26 45
2000-03-11	1	3rd	6 19 20 25 34 46
2000-03-09	33	3rd	1 2 20 34 39 42
1999-11-13	2	3rd	3 16 20 24 35 48
1999-11-06	11	3rd	6 7 20 40 43 45
1999-09-30	4	2nd	7 20 22 25 29 32
1999-09-16	1	3rd	4 11 20 33 39 49
1999-09-11	32	2nd	11 20 23 32 40 45
1999-05-22	6	3rd	3 8 20 36 45 49
1999-05-01	8	3rd	9 10 20 26 29 37
1999-04-03	3	3rd	3 17 20 23 39 45
1999-03-25	25	6th	2 4 7 8 12 20
1998-12-26	7	3rd	14 17 20 21 33 38
1998-12-03	14	2nd	5 20 22 35 42 45
1998-10-15	9	2nd	17 20 32 36 39 48
1998-09-12	1	3rd	13 17 20 22 25 38
1998-09-10	28	3rd	1 15 20 37 38 45
1998-06-04	21	3rd	10 17 20 29 43 45
1998-03-21	9	3rd	11 16 20 35 40 47
1998-02-19	19	3rd	3 15 20 23 27 33
1997-12-13	17	4th	6 13 16 20 21 36
1997-10-16	16	4th	10 14 16 20 32 43
1997-08-21	10	2nd	15 20 21 24 26 28
1997-07-17	1	2nd	19 20 22 26 35 42
1997-07-12	1	1st	20 28 29 32 48 49
1997-07-10	2	2nd	3 20 22 23 44 46
1997-07-03	8	3rd	1 10 20 21 25 35
1997-06-05	1	1st	20 24 33 34 43 46
1997-05-31	1	2nd	10 20 23 32 46 48
1997-05-29	13	4th	11 14 16 20 28 47
1997-04-12	8	4th	6 12 18 20 23 27
1997-03-15	6	1st	20 24 29 32 37 47
1997-02-22	2	2nd	11 20 42 45 48 49
1997-02-15	1	4th	7 10 18 20 23 44
1997-02-13	2	4th	8 11 19 20 27 29
1997-02-06	13	5th	3 6 10 19 20 28
1996-12-21	10	3rd	8 10 20 21 24 38
1996-11-16	15	4th	4 14 19 20 29 45
1996-09-26	8	3rd	5 16 20 38 43 45
1996-08-29	18	3rd	1 9 20 23 29 34
1996-06-27	5	4th	10 14 16 20 36 46
1996-06-08	5	2nd	12 20 31 34 36 45
1996-05-23	16	4th	6 16 19 20 38 49
1996-03-28	2	4th	7 13 14 20 29 38
1996-03-21	3	3rd	3 13 20 23 31 36
1996-03-09	14	3rd	4 17 20 24 34 47
1996-01-20	7	3rd	9 17 20 21 26 37
1995-12-28	1	3rd	3 6 20 31 36 42
1995-12-23	2	4th	5 15 17 20 24 29
1995-12-16	10	2nd	9 20 21 22 42 44
1995-11-11	9	5th	2 4 6 11 20 48
1995-10-12	1	2nd	12 20 26 32 33 47
1995-10-07	10	2nd	17 20 27 33 39 47
1995-09-02	14	4th	4 15 17 20 25 32
1995-07-15	21	3rd	4 14 20 22 27 45
1995-05-04	20	3rd	11 17 20 23 38 45
1995-02-23	4	4th	7 13 14 20 23 48
1995-02-09	10	3rd	2 9 20 25 40 43
1995-01-05	9	5th	1 9 16 17 20 31
1994-12-03	3	2nd	1 20 23 26 32 36
1994-11-24	21	3rd	8 15 20 46 47 48
1994-09-10	3	3rd	1 15 20 32 41 48
1994-09-01	4	6th	1 2 9 13 19 20
1994-08-18	12	3rd	5 9 20 24 25 45
1994-07-07	10	4th	8 15 17 20 29 36
1994-06-02	2	4th	5 6 15 20 23 27
1994-05-26	4	2nd	9 20 32 34 35 39
1994-05-12	28	2nd	8 20 22 28 30 41
1994-02-03	7	4th	1 3 17 20 39 40
1994-01-08	7	1st	20 25 27 40 44 49
1993-12-16	8	3rd	11 19 20 35 37 42
1993-11-18	8	3rd	7 13 20 26 39 46
1993-10-21	1	3rd	5 13 20 22 37 49
1993-10-16	12	2nd	8 20 23 25 26 43
1993-09-04	2	1st	20 22 27 31 38 39
1993-08-28	6	2nd	12 20 23 29 32 38
1993-08-07	5	3rd	15 16 20 26 31 41
1993-07-22	7	2nd	13 20 23 30 39 47
1993-06-26	3	4th	8 16 18 20 23 46
1993-06-17	26	4th	6 7 14 20 35 39
1993-03-18	4	3rd	4 18 20 35 45 46
1993-03-04	2	3rd	1 14 20 29 40 45
1993-02-25	1	2nd	5 20 24 32 35 39
1993-02-20	1	5th	1 4 7 17 20 44
1993-02-18	12	1st	20 22 28 29 31 41
1993-01-07	3	5th	7 10 12 15 20 36
1992-12-26	3	3rd	2 3 20 29 42 44
1992-12-17	4	3rd	14 16 20 24 36 47
1992-12-03	6	4th	3 14 17 20 35 47
1992-11-12	7	3rd	11 14 20 33 45 48
1992-10-17	5	2nd	15 20 27 40 45 49
1992-10-01	6	2nd	4 20 22 31 37 47
1992-09-10	96	4th	6 8 13 20 32 35
1991-10-10	11	4th	11 16 17 20 25 42
1991-08-31	1	3rd	16 19 20 29 38 48
1991-08-29	7	3rd	15 17 20 23 41 48
1991-08-03	2	3rd	1 15 20 27 28 34
1991-07-27	1	4th	2 8 18 20 22 29
1991-07-25	6	2nd	3 20 26 29 30 37
1991-07-04	16	4th	1 3 12 20 21 47
1991-04-04	2	4th	3 4 15 20 34 38
1991-03-21	7	3rd	11 12 20 36 39 45
1991-01-31	5	2nd	2 20 25 33 38 45
1990-12-27	34	3rd	5 14 20 21 22 28
1990-06-30	7	4th	6 17 19 20 34 46
1990-06-07	9	1st	20 23 25 27 34 49
1990-04-26	3	2nd	14 20 29 31 37 45
1990-04-05	4	2nd	5 20 23 40 42 46
1990-03-08	10	3rd	2 10 20 22 28 40
1989-12-28	2	2nd	7 20 21 30 31 44
1989-12-14	2	5th	11 15 18 19 20 21
1989-11-30	13	2nd	18 20 21 27 46 47
1989-08-31	9	2nd	2 20 22 35 43 44
1989-06-29	5	1st	20 21 23 41 43 45
1989-05-25	2	4th	1 3 17 20 34 41
1989-05-11	2	3rd	6 18 20 40 42 44
1989-04-27	2	3rd	1 16 20 26 47 49
1989-04-13	2	1st	20 21 36 39 40 45
1989-03-30	7	3rd	6 16 20 23 24 32
1989-02-09	1	4th	1 6 18 20 23 26
1989-02-02	2	4th	4 17 19 20 25 31
1989-01-19	1	3rd	4 17 20 27 34 36
1989-01-12	10	3rd	11 16 20 29 41 45
1988-11-03	16	3rd	9 17 20 30 35 39
1988-07-14	14	4th	5 7 11 20 32 35
1988-04-07	21	3rd	6 8 20 24 28 47
1987-11-12	22	2nd	11 20 24 31 32 41
1987-06-11	15	2nd	10 20 29 31 38 45
1987-02-26	12	4th	6 15 19 20 38 45
1986-11-27	11	2nd	4 20 25 37 41 46
1986-09-11	18	3rd	2 3 20 24 30 43
1986-05-08	5	2nd	2 20 21 31 36 49
1986-04-03	1	4th	1 7 16 20 36 38
1986-03-27	8	2nd	11 20 22 40 41 46
1986-01-30	8	1st	20 25 35 42 45 46
1985-11-28	—	3rd	9 17 20 34 41 47