232641820 has 24 divisors (see below), whose sum is σ = 491113728. Its totient is φ = 92568000.

The previous prime is 232641811. The next prime is 232641841. The reversal of 232641820 is 28146232.

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, 26631 + ... + 34270.

It is an arithmetic number, because the mean of its divisors is an integer number (20463072).

Almost surely, 2^232641820 is an apocalyptic number.

232641820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232641820 is an abundant number, since it is smaller than the sum of its proper divisors (258471908).

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

232641820 is a wasteful number, since it uses less digits than its factorization.

232641820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61101 (or 61099 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 232641820 is about 15252.6004340244. The cubic root of 232641820 is about 615.0294739879.

The spelling of 232641820 in words is "two hundred thirty-two million, six hundred forty-one thousand, eight hundred twenty".