520310232 has 96 divisors (see below), whose sum is σ = 1583618400. Its totient is φ = 153128448.

The previous prime is 520310207. The next prime is 520310233. The reversal of 520310232 is 232013025.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520310233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9444 + ... + 33612.

It is an arithmetic number, because the mean of its divisors is an integer number (16496025).

Almost surely, 2^520310232 is an apocalyptic number.

520310232 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520310232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791809200).

520310232 is an abundant number, since it is smaller than the sum of its proper divisors (1063308168).

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

520310232 is a wasteful number, since it uses less digits than its factorization.

520310232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24217 (or 24210 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 520310232 is about 22810.3097743104. The cubic root of 520310232 is about 804.3050375919.

Adding to 520310232 its reverse (232013025), we get a palindrome (752323257).

The spelling of 520310232 in words is "five hundred twenty million, three hundred ten thousand, two hundred thirty-two".