13601144331020 has 24 divisors (see below), whose sum is σ = 28676197540368. Its totient is φ = 5418782600000.

The previous prime is 13601144330987. The next prime is 13601144331079. The reversal of 13601144331020 is 2013344110631.

It is a happy number.

It is a super-2 number, since 2×13601144331020² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354690631 + ... + 1354700670.

It is an arithmetic number, because the mean of its divisors is an integer number (1194841564182).

Almost surely, 2^{13601144331020} is an apocalyptic number.

13601144331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13601144331020 is an abundant number, since it is smaller than the sum of its proper divisors (15075053209348).

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

13601144331020 is a wasteful number, since it uses less digits than its factorization.

13601144331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709391561 (or 2709391559 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 13601144331020 its reverse (2013344110631), we get a palindrome (15614488441651).

The spelling of 13601144331020 in words is "thirteen trillion, six hundred one billion, one hundred forty-four million, three hundred thirty-one thousand, twenty".