232331221020 has 48 divisors (see below), whose sum is σ = 652579609248. Its totient is φ = 61759545600.

The previous prime is 232331221013. The next prime is 232331221037. The reversal of 232331221020 is 20122133232.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6088531 + ... + 6126570.

It is an arithmetic number, because the mean of its divisors is an integer number (13595408526).

Almost surely, 2^232331221020 is an apocalyptic number.

232331221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232331221020 is an abundant number, since it is smaller than the sum of its proper divisors (420248388228).

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

232331221020 is a wasteful number, since it uses less digits than its factorization.

232331221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12215430 (or 12215428 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 232331221020 its reverse (20122133232), we get a palindrome (252453354252).

It can be divided in two parts, 23233 and 1221020, that added together give a triangular number (1244253 = T₁₅₇₇).

The spelling of 232331221020 in words is "two hundred thirty-two billion, three hundred thirty-one million, two hundred twenty-one thousand, twenty".