20560133604 has 24 divisors (see below), whose sum is σ = 47976340608. Its totient is φ = 6852992800.

The previous prime is 20560133549. The next prime is 20560133617. The reversal of 20560133604 is 40633106502.

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, 246454 + ... + 319154.

It is an arithmetic number, because the mean of its divisors is an integer number (1999014192).

Almost surely, 2^20560133604 is an apocalyptic number.

It is an amenable number.

20560133604 is an abundant number, since it is smaller than the sum of its proper divisors (27416207004).

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

20560133604 is a wasteful number, since it uses less digits than its factorization.

20560133604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96275 (or 96273 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 20560133604 in words is "twenty billion, five hundred sixty million, one hundred thirty-three thousand, six hundred four".