Number 20

In UK Lotto under the 6/49 + 1/49 · Nov 1994 – Oct 2015 rules — 2,065 draws, 6 from 1–49 (an earlier era).

215times drawn · chance expected 253 −2.54σ

7draws waiting · a wait this long: 46% for any number

9.6average wait between appearances · chance says 8.2

61longest completed wait · 8% chance of one at least that long

20 is drawn as often as chance explains

Drawn 215 times in 2,065 draws against 252.9 expected, −2.54σ. Each draw is independent: after 7 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 50 times, counted separately.

Number 20, draw by draw

Drawn 215 times in 2,065 draws · average wait 9.6 draws · longest completed wait 61 · waiting 7 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 smallest13 · chance 14.9
2nd smallest57 · chance 56.7
3rd smallest83 · chance 78.5
4th smallest37 · chance 49.4
5th smallest24 · chance 14.1
6th smallest1 · chance 1.5

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 22.4 shared draws, and the leaders are simply the ones that came out ahead this time.

43 40 6 33 24 31

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
2015-09-12	1	2nd	14 20 28 31 40 46
2015-09-09	8	3rd	6 18 20 21 29 31
2015-08-12	5	4th	6 15 17 20 24 25
2015-07-25	32	5th

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.

2014-02-12	30	3rd	3 7 20 24 30 39
2013-10-30	1	1st	20 23 26 29 34 41
2013-10-26	6	3rd	10 14 20 22 45 49
2013-10-05	3	5th	5 15 17 19 20 47
2013-09-25	3	3rd	5 7 20 24 30 41
2013-09-14	6	2nd	18 20 24 30 39 48
2013-08-24	5	2nd	5 20 26 40 42 48
2013-08-07	8	3rd	3 16 20 26 28 43
2013-07-10	7	5th	3 9 10 16 20 22
2013-06-15	9	4th	3 4 16 20 33 44
2013-05-15	2	4th	4 5 6 20 30 35
2013-05-08	6	3rd	12 15 20 31 33 40
2013-04-17	14	5th	12 14 16 18 20 33
2013-02-27	3	3rd	2 14 20 23 24 30
2013-02-16	1	2nd	7 20 27 39 46 48
2013-02-13	12	3rd	6 14 20 23 29 49
2013-01-02	13	3rd	7 9 20 21 30 37
2012-11-17	4	3rd	17 19 20 21 25 26
2012-11-03	2	5th	5 7 9 17 20 45
2012-10-27	25	3rd	7 14 20 30 33 46
2012-08-01	3	2nd	13 20 24 27 33 39
2012-07-21	13	3rd	5 14 20 40 41 42
2012-06-06	1	3rd	9 17 20 27 37 41
2012-06-02	15	3rd	16 18 20 25 29 34
2012-04-11	7	1st	20 27 33 41 44 46
2012-03-17	4	4th	1 3 16 20 37 40
2012-03-03	16	2nd	7 20 23 28 31 40
2012-01-07	22	5th	8 14 15 17 20 47
2011-10-22	14	1st	20 27 28 34 43 44
2011-09-03	31	3rd	4 17 20 26 29 36
2011-05-18	23	3rd	6 15 20 36 38 42
2011-02-26	7	3rd	6 8 20 29 34 36
2011-02-02	1	3rd	2 17 20 42 46 48
2011-01-29	1	2nd	5 20 25 30 36 47
2011-01-26	16	3rd	14 17 20 43 47 49
2010-12-01	21	1st	20 21 22 24 27 34
2010-09-18	1	5th	4 5 16 17 20 32
2010-09-15	1	2nd	2 20 33 40 43 46
2010-09-11	3	2nd	4 20 21 35 39 40
2010-09-01	18	2nd	7 20 21 27 28 41
2010-06-30	10	3rd	6 18 20 25 35 36
2010-05-26	14	5th	2 4 5 19 20 27
2010-04-07	18	3rd	8 11 20 33 43 47
2010-02-03	7	4th	3 11 12 20 21 28
2010-01-09	6	1st	20 24 33 34 37 48
2009-12-19	1	2nd	1 20 28 33 40 45
2009-12-16	3	2nd	2 20 34 35 40 44
2009-12-05	6	2nd	8 20 36 43 45 49
2009-11-14	16	4th	1 5 9 20 23 39
2009-09-19	2	2nd	18 20 31 33 43 45
2009-09-12	9	2nd	18 20 24 30 43 44
2009-08-12	4	2nd	9 20 21 27 39 40
2009-07-29	10	4th	3 13 19 20 23 26
2009-06-24	7	3rd	10 17 20 21 23 31
2009-05-30	7	4th	2 5 19 20 33 43
2009-05-06	16	5th	1 8 10 13 20 34
2009-03-11	27	3rd	6 9 20 21 31 34
2008-12-06	7	3rd	10 12 20 37 39 48
2008-11-12	4	4th	1 5 13 20 27 45
2008-10-29	1	5th	6 10 12 15 20 27
2008-10-25	4	2nd	1 20 31 38 43 46
2008-10-11	6	1st	20 21 23 24 27 28
2008-09-20	32	3rd	5 15 20 22 24 47
2008-05-31	26	2nd	15 20 22 34 37 39
2008-03-01	16	4th	1 8 12 20 29 49
2008-01-05	7	4th	2 3 12 20 33 49
2007-12-12	7	2nd	19 20 23 42 44 45
2007-11-17	5	3rd	11 16 20 22 27 46
2007-10-31	15	3rd	9 12 20 25 33 35
2007-09-08	9	3rd	4 10 20 24 39 49
2007-08-08	20	5th	3 9 12 13 20 43
2007-05-30	3	2nd	2 20 22 25 41 47
2007-05-19	1	3rd	17 19 20 32 36 48
2007-05-16	7	2nd	9 20 22 24 27 28
2007-04-21	10	2nd	14 20 21 30 41 46
2007-03-17	18	4th	1 9 14 20 43 44
2007-01-13	9	4th	5 8 12 20 28 48
2006-12-13	1	4th	4 12 14 20 46 49
2006-12-09	3	5th	5 8 10 18 20 46
2006-11-29	3	2nd	17 20 31 40 42 46
2006-11-18	5	3rd	1 19 20 32 42 46
2006-11-01	1	4th	9 13 14 20 31 35
2006-10-28	16	5th	4 5 6 12 20 29
2006-09-02	3	3rd	3 8 20 22 34 40
2006-08-23	2	3rd	6 16 20 21 23 37
2006-08-16	7	4th	4 8 16 20 25 31
2006-07-22	2	1st	20 22 23 26 31 47
2006-07-15	1	4th	6 12 19 20 38 39
2006-07-12	61	2nd	18 20 26 27 28 39
2005-12-10	14	1st	20 23 25 30 31 48
2005-10-22	1	2nd	18 20 22 30 32 39
2005-10-19	3	3rd	7 18 20 21 29 47
2005-10-08	7	3rd	1 14 20 22 25 26
2005-09-14	7	2nd	15 20 22 25 35 39
2005-08-20	12	4th	7 11 12 20 38 44
2005-07-09	11	2nd	7 20 22 23 34 37
2005-06-01	10	5th	3 11 17 19 20 41
2005-04-27	21	3rd	2 15 20 24 32 47
2005-02-12	8	3rd	11 18 20 23 32 48
2005-01-15	3	2nd	5 20 30 32 35 38
2005-01-05	14	4th	5 8 15 20 42 48
2004-11-17	23	3rd	11 14 20 24 28 36
2004-08-28	37	4th	6 7 10 20 37 44
2004-04-21	13	3rd	7 19 20 29 41 49
2004-03-06	9	3rd	17 19 20 35 43 45
2004-02-04	26	4th	9 11 18 20 35 47
2003-11-05	7	4th	10 12 18 20 22 47
2003-10-11	32	4th	3 6 11 20 34 43
2003-06-21	5	2nd	12 20 36 39 44 45
2003-06-04	10	2nd	7 20 27 40 43 49
2003-04-30	6	2nd	16 20 26 35 43 46
2003-04-09	15	2nd	7 20 25 27 33 45
2003-02-15	1	2nd	4 20 32 44 48 49
2003-02-12	7	4th	12 17 18 20 30 35
2003-01-18	6	3rd	4 11 20 35 43 46
2002-12-28	8	3rd	2 18 20 32 36 37
2002-11-30	23	3rd	6 7 20 29 37 39
2002-09-11	7	2nd	15 20 28 37 40 44
2002-08-17	1	2nd	19 20 31 32 35 40
2002-08-14	10	4th	1 6 8 20 29 38
2002-07-10	1	4th	4 18 19 20 30 43
2002-07-06	21	2nd	1 20 42 43 44 49
2002-04-24	8	4th	3 13 17 20 21 30
2002-03-27	5	3rd	6 9 20 24 35 36
2002-03-09	1	3rd	9 18 20 21 39 48
2002-03-06	5	3rd	5 17 20 31 33 34
2002-02-16	2	2nd	10 20 24 36 37 44
2002-02-09	1	3rd	7 15 20 28 40 48
2002-02-06	3	3rd	2 13 20 36 37 40
2002-01-26	1	3rd	10 13 20 25 27 32
2002-01-23	3	5th	6 8 14 19 20 44
2002-01-12	1	5th	1 3 11 12 20 24
2002-01-09	2	2nd	16 20 28 29 41 45
2002-01-02	16	3rd	2 6 20 24 29 32
2001-11-07	6	4th	8 9 10 20 39 40
2001-10-17	11	2nd	5 20 26 31 32 40
2001-09-08	5	5th	1 6 13 18 20 49
2001-08-22	6	2nd	14 20 22 29 33 37
2001-08-01	26	3rd	11 15 20 27 33 40
2001-05-02	3	3rd	2 17 20 23 28 43
2001-04-21	14	2nd	12 20 23 26 33 46
2001-03-03	6	3rd	7 14 20 24 38 48
2001-02-10	22	5th	7 9 12 17 20 32
2000-11-25	1	3rd	3 6 20 42 43 48
2000-11-22	6	3rd	4 12 20 23 31 33
2000-11-01	7	3rd	4 9 20 23 38 45
2000-10-07	7	3rd	1 6 20 28 31 45
2000-09-13	28	2nd	14 20 25 32 47 49
2000-06-07	20	3rd	2 5 20 24 28 39
2000-03-29	2	3rd	11 18 20 23 28 32
2000-03-22	8	3rd	6 18 20 33 36 40
2000-02-23	27	4th	11 17 18 20 39 47
1999-11-20	16	4th	7 9 15 20 29 34
1999-09-25	6	2nd	18 20 26 30 43 49
1999-09-04	3	6th	3 5 7 10 14 20
1999-08-25	19	3rd	1 8 20 22 36 48
1999-06-19	4	3rd	4 6 20 24 41 42
1999-06-05	10	2nd	11 20 24 28 35 48
1999-05-01	17	2nd	7 20 24 31 33 40
1999-03-03	6	1st	20 22 24 25 36 40
1999-02-10	4	2nd	2 20 21 33 35 49
1999-01-27	12	4th	2 3 6 20 21 22
1998-12-16	32	3rd	11 19 20 24 29 40
1998-08-26	11	2nd	3 20 26 27 30 43
1998-07-18	9	3rd	3 11 20 33 42 44
1998-06-17	7	5th	2 10 16 17 20 27
1998-05-23	28	2nd	8 20 24 35 43 47
1998-02-14	9	5th	8 13 14 17 20 28
1998-01-14	34	1st	20 27 28 31 33 41
1997-09-17	2	2nd	7 20 21 22 40 44
1997-09-10	1	1st	20 31 32 35 43 45
1997-09-07	2	1st	20 22 26 36 40 41
1997-08-30	3	2nd	6 20 30 33 38 46
1997-08-20	1	2nd	8 20 27 28 36 41
1997-08-16	2	4th	2 9 19 20 38 49
1997-08-09	1	3rd	1 18 20 25 30 31
1997-08-06	3	4th	3 5 6 20 45 49
1997-07-26	24	3rd	9 15 20 27 30 41
1997-05-03	16	2nd	6 20 29 31 35 40
1997-03-08	1	3rd	5 12 20 29 39 42
1997-03-05	9	3rd	7 12 20 24 28 43
1997-02-01	5	3rd	12 16 20 28 36 48
1996-12-28	9	3rd	8 10 20 27 31 39
1996-10-26	14	4th	1 3 9 20 30 35
1996-07-20	8	3rd	6 14 20 25 34 44
1996-05-25	37	2nd	8 20 26 34 42 43
1995-09-09	8	3rd	2 12 20 22 41 45
1995-07-15	1	3rd	1 4 20 31 41 43
1995-07-08	11	5th	1 3 11 14 20 40
1995-04-22	13	3rd	8 18 20 33 36 38
1995-01-21	—	3rd	6 16 20 30 31 47