232505220 has 24 divisors (see below), whose sum is σ = 651014784. Its totient is φ = 62001376.

The previous prime is 232505197. The next prime is 232505233. The reversal of 232505220 is 22505232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937484 + ... + 1937603.

It is an arithmetic number, because the mean of its divisors is an integer number (27125616).

Almost surely, 2^232505220 is an apocalyptic number.

232505220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232505220 is an abundant number, since it is smaller than the sum of its proper divisors (418509564).

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

232505220 is a wasteful number, since it uses less digits than its factorization.

232505220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875099 (or 3875097 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 232505220 is about 15248.1218515593. The cubic root of 232505220 is about 614.9090750633.

The spelling of 232505220 in words is "two hundred thirty-two million, five hundred five thousand, two hundred twenty".