13131522020000 has 120 divisors (see below), whose sum is σ = 33710102639136. Its totient is φ = 5024234336000.

The previous prime is 13131522019991. The next prime is 13131522020003. The reversal of 13131522020000 is 2022513131.

13131522020000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (13131522020003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13813394 + ... + 14733393.

Almost surely, 2^{13131522020000} is an apocalyptic number.

13131522020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131522020000 is an abundant number, since it is smaller than the sum of its proper divisors (20578580619136).

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

13131522020000 is an equidigital number, since it uses as much as digits as its factorization.

13131522020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28546840 (or 28546817 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 13131522020000 its reverse (2022513131), we get a palindrome (13133544533131).

The spelling of 13131522020000 in words is "thirteen trillion, one hundred thirty-one billion, five hundred twenty-two million, twenty thousand".