131420252350020 has 96 divisors (see below), whose sum is σ = 371297691233280. Its totient is φ = 34730224214400.

The previous prime is 131420252349929. The next prime is 131420252350061. The reversal of 131420252350020 is 20053252024131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 131420252350020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13513582 + ... + 21105861.

It is an arithmetic number, because the mean of its divisors is an integer number (3867684283680).

Almost surely, 2^{131420252350020} is an apocalyptic number.

131420252350020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131420252350020 is an abundant number, since it is smaller than the sum of its proper divisors (239877438883260).

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

131420252350020 is a wasteful number, since it uses less digits than its factorization.

131420252350020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34620025 (or 34620023 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 131420252350020 in words is "one hundred thirty-one trillion, four hundred twenty billion, two hundred fifty-two million, three hundred fifty thousand, twenty".