20113031013444 has 24 divisors (see below), whose sum is σ = 52144895220320. Its totient is φ = 6704343671112.

The previous prime is 20113031013433. The next prime is 20113031013487. The reversal of 20113031013444 is 44431013031102.

20113031013444 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 3 + 0 + 310 + 1 + 344 + 4 = 666.

It is a super-2 number, since 2×20113031013444² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 93115884214 + ... + 93115884429.

Almost surely, 2^{20113031013444} is an apocalyptic number.

It is an amenable number.

20113031013444 is an abundant number, since it is smaller than the sum of its proper divisors (32031864206876).

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

20113031013444 is a wasteful number, since it uses less digits than its factorization.

20113031013444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186231768656 (or 186231768648 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 20113031013444 its reverse (44431013031102), we get a palindrome (64544044044546).

The spelling of 20113031013444 in words is "twenty trillion, one hundred thirteen billion, thirty-one million, thirteen thousand, four hundred forty-four".