5317999920 has 100 divisors (see below), whose sum is σ = 18470224080. Its totient is φ = 1418131584.

The previous prime is 5317999919. The next prime is 5317999969. The reversal of 5317999920 is 299997135.

It is a super-2 number, since 2×5317999920² = 56562246298240012800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 403860 + ... + 416819.

Almost surely, 2^5317999920 is an apocalyptic number.

It is an amenable number.

5317999920 is an abundant number, since it is smaller than the sum of its proper divisors (13152224160).

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

5317999920 is a wasteful number, since it uses less digits than its factorization.

5317999920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820704 (or 820689 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 54.

The square root of 5317999920 is about 72924.6180655065. The cubic root of 5317999920 is about 1745.4849509973.

The spelling of 5317999920 in words is "five billion, three hundred seventeen million, nine hundred ninety-nine thousand, nine hundred twenty".