232100220 has 48 divisors (see below), whose sum is σ = 708962688. Its totient is φ = 56266560.

The previous prime is 232100213. The next prime is 232100237. The reversal of 232100220 is 22001232.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 232100196 and 232100205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175174 + ... + 176493.

It is an arithmetic number, because the mean of its divisors is an integer number (14770056).

Almost surely, 2^232100220 is an apocalyptic number.

232100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232100220 is an abundant number, since it is smaller than the sum of its proper divisors (476862468).

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

232100220 is a wasteful number, since it uses less digits than its factorization.

232100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351690 (or 351688 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 232100220 is about 15234.8357391867. The cubic root of 232100220 is about 614.5518315929.

Adding to 232100220 its reverse (22001232), we get a palindrome (254101452).

The spelling of 232100220 in words is "two hundred thirty-two million, one hundred thousand, two hundred twenty".