520013204 has 24 divisors (see below), whose sum is σ = 1014269760. Its totient is φ = 231831936.

The previous prime is 520013201. The next prime is 520013213. The reversal of 520013204 is 402310025.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520013201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199952 + ... + 202535.

It is an arithmetic number, because the mean of its divisors is an integer number (42261240).

Almost surely, 2^520013204 is an apocalyptic number.

It is an amenable number.

520013204 is a deficient number, since it is larger than the sum of its proper divisors (494256556).

520013204 is a wasteful number, since it uses less digits than its factorization.

520013204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402527 (or 402525 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 520013204 is about 22803.7980169971. The cubic root of 520013204 is about 804.1519580272.

Adding to 520013204 its reverse (402310025), we get a palindrome (922323229).

The spelling of 520013204 in words is "five hundred twenty million, thirteen thousand, two hundred four".