317720002920 has 32 divisors (see below), whose sum is σ = 953160009120. Its totient is φ = 84725334080.

The previous prime is 317720002913. The next prime is 317720002967. The reversal of 317720002920 is 29200027713.

It is a super-3 number, since 3×317720002920³ (a number of 35 digits) contains 333 as substring.

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, 1323833226 + ... + 1323833465.

It is an arithmetic number, because the mean of its divisors is an integer number (29786250285).

Almost surely, 2^317720002920 is an apocalyptic number.

317720002920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

317720002920 is an abundant number, since it is smaller than the sum of its proper divisors (635440006200).

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

317720002920 is a wasteful number, since it uses less digits than its factorization.

317720002920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647666705 (or 2647666701 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The spelling of 317720002920 in words is "three hundred seventeen billion, seven hundred twenty million, two thousand, nine hundred twenty".