232388220 has 48 divisors (see below), whose sum is σ = 653990400. Its totient is φ = 61655616.

The previous prime is 232388213. The next prime is 232388237. The reversal of 232388220 is 22883232.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2209 + ... + 21671.

It is an arithmetic number, because the mean of its divisors is an integer number (13624800).

Almost surely, 2^232388220 is an apocalyptic number.

232388220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232388220 is an abundant number, since it is smaller than the sum of its proper divisors (421602180).

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

232388220 is a wasteful number, since it uses less digits than its factorization.

232388220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19674 (or 19672 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 232388220 is about 15244.2848307161. The cubic root of 232388220 is about 614.8059140347.

The spelling of 232388220 in words is "two hundred thirty-two million, three hundred eighty-eight thousand, two hundred twenty".