520886018 has 16 divisors (see below), whose sum is σ = 827739000. Its totient is φ = 244989696.

The previous prime is 520885997. The next prime is 520886027. The reversal of 520886018 is 810688025.

It can be written as a sum of positive squares in 4 ways, for example, as 278990209 + 241895809 = 16703^2 + 15553^2 .

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, 90680 + ... + 96252.

Almost surely, 2^520886018 is an apocalyptic number.

520886018 is a deficient number, since it is larger than the sum of its proper divisors (306852982).

520886018 is a wasteful number, since it uses less digits than its factorization.

520886018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 520886018 is about 22822.9274634084. The cubic root of 520886018 is about 804.6016150494.

The spelling of 520886018 in words is "five hundred twenty million, eight hundred eighty-six thousand, eighteen".