232331020020 has 144 divisors (see below), whose sum is σ = 769214863872. Its totient is φ = 56292606720.

The previous prime is 232331020001. The next prime is 232331020087. The reversal of 232331020020 is 20020133232.

It is a happy number.

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 = 232331019975 and 232331020002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3796989 + ... + 3857691.

It is an arithmetic number, because the mean of its divisors is an integer number (5341769888).

Almost surely, 2^232331020020 is an apocalyptic number.

232331020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232331020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384607431936).

232331020020 is an abundant number, since it is smaller than the sum of its proper divisors (536883843852).

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

232331020020 is a wasteful number, since it uses less digits than its factorization.

232331020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62662 (or 62657 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 232331020020 its reverse (20020133232), we get a palindrome (252351153252).

The spelling of 232331020020 in words is "two hundred thirty-two billion, three hundred thirty-one million, twenty thousand, twenty".