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20949032302 = 2111667571223
BaseRepresentation
bin10011100000101010…
…001101110101101110
32000001222022002211021
4103200222031311232
5320400423013202
613342430244354
71341064556632
oct234052156556
960058262737
1020949032302
118980201040
1240879566ba
131c8b1ab103
14102a366dc2
15829230a37
hex4e0a8dd6e

20949032302 has 16 divisors (see below), whose sum is σ = 34300858752. Its totient is φ = 9516558520.

The previous prime is 20949032233. The next prime is 20949032311. The reversal of 20949032302 is 20323094902.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248938 + ... + 322285.

It is an arithmetic number, because the mean of its divisors is an integer number (2143803672).

Almost surely, 220949032302 is an apocalyptic number.

20949032302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20949032302 is a deficient number, since it is larger than the sum of its proper divisors (13351826450).

20949032302 is a wasteful number, since it uses less digits than its factorization.

20949032302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572903.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 20949032302 in words is "twenty billion, nine hundred forty-nine million, thirty-two thousand, three hundred two".

Divisors: 1 2 11 22 1667 3334 18337 36674 571223 1142446 6283453 12566906 952228741 1904457482 10474516151 20949032302