520308120 has 64 divisors (see below), whose sum is σ = 1652749920. Its totient is φ = 130586624.

The previous prime is 520308083. The next prime is 520308143. The reversal of 520308120 is 21803025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125487 + ... + 129566.

Almost surely, 2^520308120 is an apocalyptic number.

It is an amenable number.

520308120 is an abundant number, since it is smaller than the sum of its proper divisors (1132441800).

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

520308120 is a wasteful number, since it uses less digits than its factorization.

520308120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255084 (or 255080 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 520308120 is about 22810.2634794077. The cubic root of 520308120 is about 804.3039493344.

The spelling of 520308120 in words is "five hundred twenty million, three hundred eight thousand, one hundred twenty".