520849320 has 32 divisors (see below), whose sum is σ = 1562548320. Its totient is φ = 138893120.

The previous prime is 520849313. The next prime is 520849361. The reversal of 520849320 is 23948025.

It is a happy 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, 2170086 + ... + 2170325.

It is an arithmetic number, because the mean of its divisors is an integer number (48829635).

Almost surely, 2^520849320 is an apocalyptic number.

It is an amenable number.

520849320 is an abundant number, since it is smaller than the sum of its proper divisors (1041699000).

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

520849320 is a wasteful number, since it uses less digits than its factorization.

520849320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340425 (or 4340421 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 520849320 is about 22822.1234770124. The cubic root of 520849320 is about 804.5827190642.

The spelling of 520849320 in words is "five hundred twenty million, eight hundred forty-nine thousand, three hundred twenty".