520017868 has 6 divisors (see below), whose sum is σ = 910031276. Its totient is φ = 260008932.

The previous prime is 520017857. The next prime is 520017871. The reversal of 520017868 is 868710025.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65002230 + ... + 65002237.

Almost surely, 2^520017868 is an apocalyptic number.

It is an amenable number.

520017868 is a deficient number, since it is larger than the sum of its proper divisors (390013408).

520017868 is a wasteful number, since it uses less digits than its factorization.

520017868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130004471 (or 130004469 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 520017868 is about 22803.9002804345. The cubic root of 520017868 is about 804.1543621672.

The spelling of 520017868 in words is "five hundred twenty million, seventeen thousand, eight hundred sixty-eight".