20504860610 has 64 divisors (see below), whose sum is σ = 42730329600. Its totient is φ = 7019903232.

The previous prime is 20504860603. The next prime is 20504860613. The reversal of 20504860610 is 1606840502.

It is not an unprimeable number, because it can be changed into a prime (20504860613) 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, 27776 + ... + 204404.

It is an arithmetic number, because the mean of its divisors is an integer number (667661400).

Almost surely, 2^20504860610 is an apocalyptic number.

20504860610 is an abundant number, since it is smaller than the sum of its proper divisors (22225468990).

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

20504860610 is a wasteful number, since it uses less digits than its factorization.

20504860610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176715.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 20504860610 in words is "twenty billion, five hundred four million, eight hundred sixty thousand, six hundred ten".