232012520 has 48 divisors (see below), whose sum is σ = 534621060. Its totient is φ = 90617856.

The previous prime is 232012511. The next prime is 232012537. The reversal of 232012520 is 25210232.

232012520 = 2175² + 2176² + ... + 2222².

It can be written as a sum of positive squares in 2 ways, for example, as 211237156 + 20775364 = 14534^2 + 4558^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72392 + ... + 75528.

Almost surely, 2^232012520 is an apocalyptic number.

232012520 is a gapful number since it is divisible by the number (20) 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 232012520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267310530).

232012520 is an abundant number, since it is smaller than the sum of its proper divisors (302608540).

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

232012520 is a wasteful number, since it uses less digits than its factorization.

232012520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 232012520 is about 15231.9571953180. The cubic root of 232012520 is about 614.4744182161.

Adding to 232012520 its reverse (25210232), we get a palindrome (257222752).

The spelling of 232012520 in words is "two hundred thirty-two million, twelve thousand, five hundred twenty".