520322680 has 32 divisors (see below), whose sum is σ = 1189923840. Its totient is φ = 204716160.

The previous prime is 520322653. The next prime is 520322687. The reversal of 520322680 is 86223025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520322687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104184 + ... + 109063.

It is an arithmetic number, because the mean of its divisors is an integer number (37185120).

Almost surely, 2^520322680 is an apocalyptic number.

It is an amenable number.

520322680 is an abundant number, since it is smaller than the sum of its proper divisors (669601160).

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

520322680 is a wasteful number, since it uses less digits than its factorization.

520322680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213319 (or 213315 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 520322680 is about 22810.5826317523. The cubic root of 520322680 is about 804.3114516558.

The spelling of 520322680 in words is "five hundred twenty million, three hundred twenty-two thousand, six hundred eighty".