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20069422956 = 22321168337417
BaseRepresentation
bin10010101100001110…
…110001011101101100
31220210200011022122100
4102230032301131230
5312100233013311
613115245215100
71310224165122
oct225416613554
956720138570
1020069422956
118569736570
123a81261490
131b7aba38cb
14d855d7912
157c6dd0a56
hex4ac3b176c

20069422956 has 72 divisors (see below), whose sum is σ = 55358516304. Its totient is φ = 6079933440.

The previous prime is 20069422937. The next prime is 20069422957. The reversal of 20069422956 is 65922496002.

It is not an unprimeable number, because it can be changed into a prime (20069422957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2702160 + ... + 2709576.

It is an arithmetic number, because the mean of its divisors is an integer number (768868282).

Almost surely, 220069422956 is an apocalyptic number.

It is an amenable number.

20069422956 is an abundant number, since it is smaller than the sum of its proper divisors (35289093348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20069422956 is a wasteful number, since it uses less digits than its factorization.

20069422956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14271 (or 14266 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 20069422956 in words is "twenty billion, sixty-nine million, four hundred twenty-two thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 6833 7417 13666 14834 20499 22251 27332 29668 40998 44502 61497 66753 75163 81587 81996 89004 122994 133506 150326 163174 225489 244761 245988 267012 300652 326348 450978 489522 676467 734283 901956 979044 1352934 1468566 2705868 2937132 50680361 101360722 152041083 202721444 304082166 456123249 557483971 608164332 912246498 1114967942 1672451913 1824492996 2229935884 3344903826 5017355739 6689807652 10034711478 20069422956