131302232002020 has 192 divisors, whose sum is σ = 404024140800000. Its totient is φ = 31712983847424.

The previous prime is 131302232002009. The next prime is 131302232002093. The reversal of 131302232002020 is 20200232203131.

It is a happy number.

It is a super-2 number, since 2×131302232002020² (a number of 29 digits) contains 22 as substring.

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, 51161226 + ... + 53666334.

It is an arithmetic number, because the mean of its divisors is an integer number (2104292400000).

Almost surely, 2^{131302232002020} is an apocalyptic number.

131302232002020 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 131302232002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202012070400000).

131302232002020 is an abundant number, since it is smaller than the sum of its proper divisors (272721908797980).

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

131302232002020 is a wasteful number, since it uses less digits than its factorization.

131302232002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507162 (or 2507160 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 131302232002020 its reverse (20200232203131), we get a palindrome (151502464205151).

The spelling of 131302232002020 in words is "one hundred thirty-one trillion, three hundred two billion, two hundred thirty-two million, two thousand, twenty".