13032131130020 has 12 divisors (see below), whose sum is σ = 27367475373084. Its totient is φ = 5212852452000.

The previous prime is 13032131129981. The next prime is 13032131130061. The reversal of 13032131130020 is 2003113123031.

It can be written as a sum of positive squares in 2 ways, for example, as 6737772701284 + 6294358428736 = 2595722^2 + 2508856^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 651606556501 = 13032131130020 / (1 + 3 + 0 + 3 + 2 + 1 + 3 + 1 + 1 + 3 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 13032131129974 and 13032131130001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325803278231 + ... + 325803278270.

It is an arithmetic number, because the mean of its divisors is an integer number (2280622947757).

Almost surely, 2^{13032131130020} is an apocalyptic number.

13032131130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13032131130020 is an abundant number, since it is smaller than the sum of its proper divisors (14335344243064).

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

13032131130020 is a wasteful number, since it uses less digits than its factorization.

13032131130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651606556510 (or 651606556508 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13032131130020 its reverse (2003113123031), we get a palindrome (15035244253051).

The spelling of 13032131130020 in words is "thirteen trillion, thirty-two billion, one hundred thirty-one million, one hundred thirty thousand, twenty".