13020113331240 has 128 divisors (see below), whose sum is σ = 40293222318720. Its totient is φ = 3364139750400.

The previous prime is 13020113331221. The next prime is 13020113331271. The reversal of 13020113331240 is 4213331102031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13020113331240.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12783471 + ... + 13764350.

It is an arithmetic number, because the mean of its divisors is an integer number (314790799365).

Almost surely, 2^{13020113331240} is an apocalyptic number.

13020113331240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13020113331240 is an abundant number, since it is smaller than the sum of its proper divisors (27273108987480).

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

13020113331240 is a wasteful number, since it uses less digits than its factorization.

13020113331240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26547963 (or 26547959 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13020113331240 its reverse (4213331102031), we get a palindrome (17233444433271).

The spelling of 13020113331240 in words is "thirteen trillion, twenty billion, one hundred thirteen million, three hundred thirty-one thousand, two hundred forty".