231122023210020 has 48 divisors (see below), whose sum is σ = 647144093292480. Its totient is φ = 61632308255616.

The previous prime is 231122023210019. The next prime is 231122023210027. The reversal of 231122023210020 is 20012320221132.

It is a super-2 number, since 2×231122023210020² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231122023210027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9204886 + ... + 23387474.

It is an arithmetic number, because the mean of its divisors is an integer number (13482168610260).

Almost surely, 2^{231122023210020} is an apocalyptic number.

231122023210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231122023210020 is an abundant number, since it is smaller than the sum of its proper divisors (416022070082460).

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

231122023210020 is a wasteful number, since it uses less digits than its factorization.

231122023210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14454204 (or 14454202 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231122023210020 its reverse (20012320221132), we get a palindrome (251134343431152).

The spelling of 231122023210020 in words is "two hundred thirty-one trillion, one hundred twenty-two billion, twenty-three million, two hundred ten thousand, twenty".