321231232020 has 48 divisors (see below), whose sum is σ = 899944411968. Its totient is φ = 85614332160.

The previous prime is 321231232013. The next prime is 321231232037. The reversal of 321231232020 is 20232132123.

It is a happy number.

321231232020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 1369489 + ... + 1586808.

It is an arithmetic number, because the mean of its divisors is an integer number (18748841916).

Almost surely, 2^321231232020 is an apocalyptic number.

321231232020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321231232020 is an abundant number, since it is smaller than the sum of its proper divisors (578713179948).

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

321231232020 is a wasteful number, since it uses less digits than its factorization.

321231232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958120 (or 2958118 counting only the distinct ones).

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

Adding to 321231232020 its reverse (20232132123), we get a palindrome (341463364143).

The spelling of 321231232020 in words is "three hundred twenty-one billion, two hundred thirty-one million, two hundred thirty-two thousand, twenty".