520560820892 has 12 divisors (see below), whose sum is σ = 1041121641840. Its totient is φ = 223097494656.

The previous prime is 520560820873. The next prime is 520560820919. The reversal of 520560820892 is 298028065025.

520560820892 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9295728917 + ... + 9295728972.

It is an arithmetic number, because the mean of its divisors is an integer number (86760136820).

Almost surely, 2^520560820892 is an apocalyptic number.

It is an amenable number.

520560820892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

520560820892 is a wasteful number, since it uses less digits than its factorization.

520560820892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18591457900 (or 18591457898 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 520560820892 in words is "five hundred twenty billion, five hundred sixty million, eight hundred twenty thousand, eight hundred ninety-two".