Number 20

In Lotto under the 6/40 · Apr 2010 – Aug 2020 rules — 1,077 draws, 6 from 1–40 (an earlier era).

152times drawn · chance expected 162 −0.81σ

6draws waiting · a wait this long: 44% for any number

7.0average wait between appearances · chance says 6.7

39longest completed wait · 27% chance of one at least that long

20 is drawn as often as chance explains

Drawn 152 times in 1,077 draws against 161.5 expected, −0.81σ. Each draw is independent: after 6 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 20, draw by draw

Drawn 152 times in 1,077 draws · average wait 7.0 draws · longest completed wait 39 · waiting 6 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 smallest3 · chance 4.1
2nd smallest25 · chance 24.3
3rd smallest56 · chance 51.5
4th smallest47 · chance 48.6
5th smallest17 · chance 20.5
6th smallest4 · chance 3.1

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 19.5 shared draws, and the leaders are simply the ones that came out ahead this time.

19 23 32 35 21 22

It has shared a draw with every one of the other 39 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 40. 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
2020-07-18	5	3rd	2 8 20 25 27 37
2020-07-01	4	2nd	15 20 21 28 35 36
2020-06-17	1	3rd	6 18 20 23 35 39
2020-06-13	4

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 6/40 tonight whatever it did last week.

2019-04-10	10	3rd	5 14 20 23 29 36
2019-03-06	2	4th	5 14 16 20 24 26
2019-02-27	2	3rd	9 13 20 21 29 39
2019-02-20	12	3rd	1 3 20 28 33 34
2019-01-09	12	4th	8 11 19 20 35 39
2018-11-28	4	5th	2 8 13 18 20 26
2018-11-14	7	2nd	11 20 22 23 24 35
2018-10-20	8	1st	20 26 30 31 32 40
2018-09-22	2	4th	10 12 17 20 28 37
2018-09-15	9	6th	4 8 13 14 19 20
2018-08-15	12	4th	3 8 18 20 24 32
2018-07-04	9	4th	13 14 16 20 34 35
2018-06-02	2	4th	2 7 19 20 22 23
2018-05-26	8	4th	1 12 19 20 21 30
2018-04-28	1	5th	1 4 9 16 20 35
2018-04-25	4	3rd	4 6 20 26 32 37
2018-04-11	2	3rd	4 17 20 23 29 31
2018-04-04	1	2nd	7 20 21 27 34 35
2018-03-31	1	4th	7 9 10 20 22 39
2018-03-28	3	3rd	5 15 20 22 31 39
2018-03-17	39	2nd	3 20 31 33 34 39
2017-11-01	1	4th	1 4 18 20 28 39
2017-10-28	14	2nd	11 20 28 29 30 36
2017-09-09	16	2nd	5 20 23 28 31 40
2017-07-15	11	3rd	11 17 20 24 30 33
2017-06-07	1	5th	1 9 13 15 20 21
2017-06-03	1	4th	4 5 19 20 21 22
2017-05-31	3	2nd	13 20 26 29 33 38
2017-05-20	5	4th	10 16 18 20 28 32
2017-05-03	1	3rd	8 12 20 21 30 36
2017-04-29	4	4th	6 15 16 20 23 39
2017-04-15	13	4th	5 6 11 20 22 24
2017-03-01	2	5th	2 4 11 15 20 32
2017-02-22	2	4th	1 7 11 20 30 38
2017-02-15	7	3rd	10 11 20 21 22 32
2017-01-21	6	4th	9 14 15 20 31 38
2016-12-31	5	4th	2 8 19 20 27 31
2016-12-14	1	4th	5 15 17 20 38 39
2016-12-10	6	4th	12 14 16 20 27 33
2016-11-19	8	1st	20 27 31 35 36 37
2016-10-22	2	2nd	9 20 21 24 30 33
2016-10-15	1	3rd	10 19 20 26 31 32
2016-10-12	1	4th	3 11 17 20 30 31
2016-10-08	16	3rd	3 7 20 24 28 29
2016-08-13	5	3rd	8 14 20 22 36 39
2016-07-27	8	2nd	4 20 21 22 25 28
2016-06-29	22	5th	12 15 18 19 20 26
2016-04-13	1	4th	4 13 19 20 37 39
2016-04-09	13	3rd	12 19 20 25 29 38
2016-02-24	2	6th	2 3 4 12 18 20
2016-02-17	2	4th	2 9 17 20 27 40
2016-02-10	3	4th	7 11 19 20 32 33
2016-01-30	6	3rd	1 19 20 21 35 40
2016-01-09	7	4th	1 13 18 20 27 29
2015-12-16	3	4th	11 12 16 20 27 29
2015-12-05	5	2nd	17 20 22 34 35 36
2015-11-18	11	5th	2 10 13 19 20 25
2015-10-10	6	3rd	9 12 20 21 28 29
2015-09-19	9	3rd	10 18 20 23 25 40
2015-08-19	1	5th	2 6 7 13 20 32
2015-08-15	11	6th	1 4 7 10 18 20
2015-07-08	8	4th	10 11 14 20 24 28
2015-06-10	13	3rd	5 6 20 23 32 40
2015-04-25	7	2nd	9 20 21 26 34 35
2015-04-01	1	3rd	14 15 20 28 38 39
2015-03-28	14	3rd	5 9 20 34 35 37
2015-02-07	1	3rd	16 17 20 22 25 40
2015-02-04	1	5th	6 11 14 16 20 32
2015-01-31	4	3rd	5 7 20 24 34 37
2015-01-17	3	3rd	3 19 20 25 28 34
2015-01-07	6	2nd	3 20 30 32 34 40
2014-12-17	6	5th	3 8 15 18 20 22
2014-11-26	5	4th	8 12 16 20 23 32
2014-11-08	3	4th	2 15 18 20 21 33
2014-10-29	16	4th	9 12 14 20 23 28
2014-09-03	1	4th	4 9 11 20 23 38
2014-08-30	1	5th	8 9 13 18 20 24
2014-08-27	1	5th	4 13 17 19 20 31
2014-08-23	10	4th	4 6 16 20 26 30
2014-07-19	19	3rd	6 10 20 27 38 39
2014-05-14	2	3rd	5 10 20 25 30 35
2014-05-07	1	4th	4 6 15 20 21 34
2014-05-03	5	3rd	14 19 20 31 33 34
2014-04-16	16	4th	5 6 14 20 27 38
2014-02-19	3	3rd	9 13 20 22 29 38
2014-02-08	12	4th	2 11 16 20 29 38
2013-12-28	27	3rd	2 6 20 31 32 40
2013-09-21	4	2nd	3 20 22 25 35 40
2013-09-07	5	1st	20 29 32 34 37 40
2013-08-21	2	2nd	4 20 23 29 31 36
2013-08-14	8	3rd	13 17 20 31 38 39
2013-07-17	6	5th	6 13 15 19 20 28
2013-06-26	5	3rd	2 12 20 23 32 35
2013-06-08	24	3rd	1 19 20 23 24 34
2013-03-16	14	3rd	2 13 20 22 27 35
2013-01-26	1	2nd	8 20 21 22 29 31
2013-01-23	14	2nd	5 20 22 32 35 38
2012-12-05	5	4th	12 13 19 20 22 33
2012-11-17	16	4th	3 9 12 20 29 35
2012-09-22	20	6th	3 5 7 10 12 20
2012-07-14	3	3rd	8 16 20 28 29 38
2012-07-04	12	3rd	8 11 20 22 37 39
2012-05-23	2	3rd	3 19 20 25 36 37
2012-05-16	18	4th	3 10 11 20 30 37
2012-03-14	7	3rd	9 15 20 23 24 32
2012-02-18	5	2nd	10 20 24 26 30 35
2012-02-01	8	2nd	3 20 21 24 28 35
2012-01-04	23	4th	2 4 8 20 31 40
2011-10-15	1	4th	10 11 12 20 34 38
2011-10-12	4	2nd	9 20 27 33 35 36
2011-09-28	3	3rd	3 18 20 28 29 33
2011-09-17	2	3rd	2 3 20 21 24 32
2011-09-10	6	3rd	10 13 20 25 32 37
2011-08-20	5	4th	6 12 15 20 26 35
2011-08-03	9	5th	5 12 15 19 20 23
2011-07-02	8	3rd	9 16 20 23 24 32
2011-06-04	2	4th	14 16 17 20 27 38
2011-05-28	2	3rd	4 5 20 22 32 38
2011-05-21	7	5th	7 8 9 11 20 32
2011-04-27	3	3rd	2 6 20 22 26 39
2011-04-16	3	3rd	6 17 20 27 32 33
2011-04-06	18	5th	2 3 12 15 20 21
2011-02-02	20	4th	5 15 19 20 28 29
2010-11-20	20	3rd	3 5 20 35 36 37
2010-09-11	1	4th	9 18 19 20 25 30
2010-09-08	2	3rd	3 13 20 24 37 38
2010-09-01	28	3rd	6 18 20 26 31 40
2010-05-26	—	3rd	7 11 20 25 27 40