232102031220 has 144 divisors (see below), whose sum is σ = 784691893440. Its totient is φ = 55187094528.

The previous prime is 232102031209. The next prime is 232102031221. The reversal of 232102031220 is 22130201232.

232102031220 is a `hidden beast` number, since 232 + 10 + 203 + 1 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 232102031193 and 232102031202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232102031221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1937922 + ... + 2054201.

It is an arithmetic number, because the mean of its divisors is an integer number (5449249260).

Almost surely, 2^232102031220 is an apocalyptic number.

232102031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232102031220 is an abundant number, since it is smaller than the sum of its proper divisors (552589862220).

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

232102031220 is a wasteful number, since it uses less digits than its factorization.

232102031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992174 (or 3992169 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 232102031220 its reverse (22130201232), we get a palindrome (254232232452).

The spelling of 232102031220 in words is "two hundred thirty-two billion, one hundred two million, thirty-one thousand, two hundred twenty".