502172020068 has 12 divisors (see below), whose sum is σ = 1171734713520. Its totient is φ = 167390673352.

The previous prime is 502172019997. The next prime is 502172020073. The reversal of 502172020068 is 860020271205.

It is a tau number, because it is divible by the number of its divisors (12).

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, 20923834158 + ... + 20923834181.

It is an arithmetic number, because the mean of its divisors is an integer number (97644559460).

Almost surely, 2^502172020068 is an apocalyptic number.

It is an amenable number.

502172020068 is an abundant number, since it is smaller than the sum of its proper divisors (669562693452).

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

502172020068 is a wasteful number, since it uses less digits than its factorization.

502172020068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41847668346 (or 41847668344 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 502172020068 in words is "five hundred two billion, one hundred seventy-two million, twenty thousand, sixty-eight".