520204 has 6 divisors (see below), whose sum is σ = 910364. Its totient is φ = 260100.

The previous prime is 520193. The next prime is 520213. The reversal of 520204 is 402025.

It is a happy number.

It is a super-2 number, since 2×520204² = 541224403232, which contains 22 as substring.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65022 + ... + 65029.

2⁵²⁰²⁰⁴ is an apocalyptic number.

It is an amenable number.

520204 is a deficient number, since it is larger than the sum of its proper divisors (390160).

520204 is a wasteful number, since it uses less digits than its factorization.

520204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130055 (or 130053 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 520204 is about 721.2516897727. The cubic root of 520204 is about 80.4250295412.

Adding to 520204 its reverse (402025), we get a palindrome (922229).

The spelling of 520204 in words is "five hundred twenty thousand, two hundred four".