520830120 has 32 divisors (see below), whose sum is σ = 1562490720. Its totient is φ = 138888000.

The previous prime is 520830119. The next prime is 520830131. The reversal of 520830120 is 21038025.

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, 2170006 + ... + 2170245.

It is an arithmetic number, because the mean of its divisors is an integer number (48827835).

Almost surely, 2^520830120 is an apocalyptic number.

It is an amenable number.

520830120 is an abundant number, since it is smaller than the sum of its proper divisors (1041660600).

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

520830120 is a wasteful number, since it uses less digits than its factorization.

520830120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340265 (or 4340261 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 520830120 is about 22821.7028286673. The cubic root of 520830120 is about 804.5728325337.

Adding to 520830120 its reverse (21038025), we get a palindrome (541868145).

The spelling of 520830120 in words is "five hundred twenty million, eight hundred thirty thousand, one hundred twenty".