520803230 has 16 divisors (see below), whose sum is σ = 938417184. Its totient is φ = 208105440.

The previous prime is 520803221. The next prime is 520803253. The reversal of 520803230 is 32308025.

It is a junction number, because it is equal to n+sod(n) for n = 520803196 and 520803205.

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 7 ways as a sum of consecutive naturals, for example, 16661 + ... + 36320.

It is an arithmetic number, because the mean of its divisors is an integer number (58651074).

Almost surely, 2^520803230 is an apocalyptic number.

520803230 is a deficient number, since it is larger than the sum of its proper divisors (417613954).

520803230 is a wasteful number, since it uses less digits than its factorization.

520803230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53971.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 520803230 is about 22821.1136888628. The cubic root of 520803230 is about 804.5589858334.

The spelling of 520803230 in words is "five hundred twenty million, eight hundred three thousand, two hundred thirty".