131331420552020 has 192 divisors, whose sum is σ = 304224860814336. Its totient is φ = 47320083947520.

The previous prime is 131331420552001. The next prime is 131331420552113. The reversal of 131331420552020 is 20255024133131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8002637615 + ... + 8002654025.

It is an arithmetic number, because the mean of its divisors is an integer number (1584504483408).

Almost surely, 2^{131331420552020} is an apocalyptic number.

131331420552020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131331420552020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152112430407168).

131331420552020 is an abundant number, since it is smaller than the sum of its proper divisors (172893440262316).

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

131331420552020 is a wasteful number, since it uses less digits than its factorization.

131331420552020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18370 (or 18368 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 131331420552020 its reverse (20255024133131), we get a palindrome (151586444685151).

The spelling of 131331420552020 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, four hundred twenty million, five hundred fifty-two thousand, twenty".