520320208 has 20 divisors (see below), whose sum is σ = 1012345920. Its totient is φ = 259069664.

The previous prime is 520320193. The next prime is 520320209. The reversal of 520320208 is 802023025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520320209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64210 + ... + 71857.

It is an arithmetic number, because the mean of its divisors is an integer number (50617296).

Almost surely, 2^520320208 is an apocalyptic number.

It is an amenable number.

520320208 is a deficient number, since it is larger than the sum of its proper divisors (492025712).

520320208 is a wasteful number, since it uses less digits than its factorization.

520320208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136314 (or 136308 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 520320208 is about 22810.5284463118. The cubic root of 520320208 is about 804.3101779199.

The spelling of 520320208 in words is "five hundred twenty million, three hundred twenty thousand, two hundred eight".