520334120 has 16 divisors (see below), whose sum is σ = 1170751860. Its totient is φ = 208133632.

The previous prime is 520334119. The next prime is 520334131. The reversal of 520334120 is 21433025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 504541444 + 15792676 = 22462^2 + 3974^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 520334092 and 520334101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6504137 + ... + 6504216.

Almost surely, 2^520334120 is an apocalyptic number.

It is an amenable number.

520334120 is an abundant number, since it is smaller than the sum of its proper divisors (650417740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520334120 is a wasteful number, since it uses less digits than its factorization.

520334120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13008364 (or 13008360 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 520334120 is about 22810.8333911762. The cubic root of 520334120 is about 804.3173462388.

Adding to 520334120 its reverse (21433025), we get a palindrome (541767145).

The spelling of 520334120 in words is "five hundred twenty million, three hundred thirty-four thousand, one hundred twenty".