2131130332020 has 96 divisors (see below), whose sum is σ = 6065550529920. Its totient is φ = 558933096960.

The previous prime is 2131130331989. The next prime is 2131130332057. The reversal of 2131130332020 is 202330311312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54305766 + ... + 54344994.

It is an arithmetic number, because the mean of its divisors is an integer number (63182818020).

Almost surely, 2^{2131130332020} is an apocalyptic number.

2131130332020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131130332020 is an abundant number, since it is smaller than the sum of its proper divisors (3934420197900).

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

2131130332020 is a wasteful number, since it uses less digits than its factorization.

2131130332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54145 (or 54143 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2131130332020 its reverse (202330311312), we get a palindrome (2333460643332).

The spelling of 2131130332020 in words is "two trillion, one hundred thirty-one billion, one hundred thirty million, three hundred thirty-two thousand, twenty".