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20204325507 = 3194123813631
BaseRepresentation
bin10010110100010001…
…011000101010000011
31221011002000002011010
4102310101120222003
5312334301404012
613140504452003
71313452635042
oct226421305203
957132002133
1020204325507
1186288a6883
123aba47a003
131b9cb179c2
14d994b2559
157d3b7bc3c
hex4b4458a83

20204325507 has 32 divisors (see below), whose sum is σ = 29068784640. Its totient is φ = 12440736000.

The previous prime is 20204325481. The next prime is 20204325523. The reversal of 20204325507 is 70552340202.

It is not a de Polignac number, because 20204325507 - 220 = 20203276931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20204325577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5562582 + ... + 5566212.

It is an arithmetic number, because the mean of its divisors is an integer number (908399520).

Almost surely, 220204325507 is an apocalyptic number.

20204325507 is a deficient number, since it is larger than the sum of its proper divisors (8864459133).

20204325507 is a wasteful number, since it uses less digits than its factorization.

20204325507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075.

The product of its (nonzero) digits is 16800, while the sum is 30.

Adding to 20204325507 its reverse (70552340202), we get a palindrome (90756665709).

The spelling of 20204325507 in words is "twenty billion, two hundred four million, three hundred twenty-five thousand, five hundred seven".

Divisors: 1 3 19 41 57 123 779 2337 2381 3631 7143 10893 45239 68989 97621 135717 148871 206967 292863 446613 1854799 2828549 5564397 8485647 8645411 25936233 164262809 354461851 492788427 1063385553 6734775169 20204325507