520120368 has 30 divisors (see below), whose sum is σ = 1455615044. Its totient is φ = 173373408.

The previous prime is 520120357. The next prime is 520120373. The reversal of 520120368 is 863021025.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1805830 + ... + 1806117.

Almost surely, 2^520120368 is an apocalyptic number.

It is an amenable number.

520120368 is an abundant number, since it is smaller than the sum of its proper divisors (935494676).

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

520120368 is a wasteful number, since it uses less digits than its factorization.

520120368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611961 (or 3611952 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 520120368 is about 22806.1475922612. The cubic root of 520120368 is about 804.2071939461.

The spelling of 520120368 in words is "five hundred twenty million, one hundred twenty thousand, three hundred sixty-eight".