232231302020 has 12 divisors (see below), whose sum is σ = 487685734284. Its totient is φ = 92892520800.

The previous prime is 232231302019. The next prime is 232231302031. The reversal of 232231302020 is 20203132232.

It can be written as a sum of positive squares in 2 ways, for example, as 61432596736 + 170798705284 = 247856^2 + 413278^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11611565101 = 232231302020 / (2 + 3 + 2 + 2 + 3 + 1 + 3 + 0 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 232231301983 and 232231302001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5805782531 + ... + 5805782570.

It is an arithmetic number, because the mean of its divisors is an integer number (40640477857).

Almost surely, 2^232231302020 is an apocalyptic number.

232231302020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232231302020 is an abundant number, since it is smaller than the sum of its proper divisors (255454432264).

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

232231302020 is a wasteful number, since it uses less digits than its factorization.

232231302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11611565110 (or 11611565108 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 232231302020 its reverse (20203132232), we get a palindrome (252434434252).

The spelling of 232231302020 in words is "two hundred thirty-two billion, two hundred thirty-one million, three hundred two thousand, twenty".