13231322122020 has 48 divisors (see below), whose sum is σ = 37070670409920. Its totient is φ = 3526165092736.

The previous prime is 13231322121877. The next prime is 13231322122103. The reversal of 13231322122020 is 2022122313231.

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, 68260950 + ... + 68454509.

It is an arithmetic number, because the mean of its divisors is an integer number (772305633540).

Almost surely, 2^{13231322122020} is an apocalyptic number.

13231322122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13231322122020 is an abundant number, since it is smaller than the sum of its proper divisors (23839348287900).

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

13231322122020 is a wasteful number, since it uses less digits than its factorization.

13231322122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136717084 (or 136717082 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13231322122020 its reverse (2022122313231), we get a palindrome (15253444435251).

The spelling of 13231322122020 in words is "thirteen trillion, two hundred thirty-one billion, three hundred twenty-two million, one hundred twenty-two thousand, twenty".