232321312020 has 96 divisors (see below), whose sum is σ = 743542732800. Its totient is φ = 53093833344.

The previous prime is 232321312009. The next prime is 232321312037. The reversal of 232321312020 is 20213123232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2934111 + ... + 3012249.

It is an arithmetic number, because the mean of its divisors is an integer number (7745236800).

Almost surely, 2^232321312020 is an apocalyptic number.

232321312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232321312020 is an abundant number, since it is smaller than the sum of its proper divisors (511221420780).

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

232321312020 is a wasteful number, since it uses less digits than its factorization.

232321312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85237 (or 85235 counting only the distinct ones).

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

Adding to 232321312020 its reverse (20213123232), we get a palindrome (252534435252).

The spelling of 232321312020 in words is "two hundred thirty-two billion, three hundred twenty-one million, three hundred twelve thousand, twenty".