520460220 has 48 divisors (see below), whose sum is σ = 1665474048. Its totient is φ = 118962240.

The previous prime is 520460207. The next prime is 520460231. The reversal of 520460220 is 22064025.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 619176 + ... + 620015.

It is an arithmetic number, because the mean of its divisors is an integer number (34697376).

Almost surely, 2^520460220 is an apocalyptic number.

It is an amenable number.

520460220 is an abundant number, since it is smaller than the sum of its proper divisors (1145013828).

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

520460220 is a wasteful number, since it uses less digits than its factorization.

520460220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239210 (or 1239208 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 520460220 is about 22813.5972612826. The cubic root of 520460220 is about 804.3823148947.

The spelling of 520460220 in words is "five hundred twenty million, four hundred sixty thousand, two hundred twenty".