520804030 has 16 divisors (see below), whose sum is σ = 967688064. Its totient is φ = 201601440.

The previous prime is 520804007. The next prime is 520804073. The reversal of 520804030 is 30408025.

It is a junction number, because it is equal to n+sod(n) for n = 520803992 and 520804010.

It is a congruent number.

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, 839697 + ... + 840316.

It is an arithmetic number, because the mean of its divisors is an integer number (60480504).

Almost surely, 2^520804030 is an apocalyptic number.

520804030 is a deficient number, since it is larger than the sum of its proper divisors (446884034).

520804030 is a wasteful number, since it uses less digits than its factorization.

520804030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680051.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 520804030 is about 22821.1312164844. The cubic root of 520804030 is about 804.5593977912.

The spelling of 520804030 in words is "five hundred twenty million, eight hundred four thousand, thirty".