520207880 has 16 divisors (see below), whose sum is σ = 1170467820. Its totient is φ = 208083136.

The previous prime is 520207861. The next prime is 520207907. The reversal of 520207880 is 88702025.

It can be written as a sum of positive squares in 2 ways, for example, as 519931204 + 276676 = 22802^2 + 526^2 .

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 3 ways as a sum of consecutive naturals, for example, 6502559 + ... + 6502638.

Almost surely, 2^520207880 is an apocalyptic number.

It is an amenable number.

520207880 is an abundant number, since it is smaller than the sum of its proper divisors (650259940).

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

520207880 is a wasteful number, since it uses less digits than its factorization.

520207880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13005208 (or 13005204 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 520207880 is about 22808.0661170560. The cubic root of 520207880 is about 804.2522949378.

The spelling of 520207880 in words is "five hundred twenty million, two hundred seven thousand, eight hundred eighty".