131662476170020 has 24 divisors (see below), whose sum is σ = 276491747972664. Its totient is φ = 52664886084096.

The previous prime is 131662476169957. The next prime is 131662476170023. The reversal of 131662476170020 is 20071674266131.

It can be written as a sum of positive squares in 4 ways, for example, as 51945721046244 + 79716755123776 = 7207338^2 + 8928424^2 .

It is not an unprimeable number, because it can be changed into a prime (131662476170023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4253122 + ... + 16775398.

It is an arithmetic number, because the mean of its divisors is an integer number (11520489498861).

Almost surely, 2^{131662476170020} is an apocalyptic number.

131662476170020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131662476170020 is an abundant number, since it is smaller than the sum of its proper divisors (144829271802644).

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

131662476170020 is a wasteful number, since it uses less digits than its factorization.

131662476170020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13047999 (or 13047997 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 131662476170020 in words is "one hundred thirty-one trillion, six hundred sixty-two billion, four hundred seventy-six million, one hundred seventy thousand, twenty".