13023544620 has 48 divisors (see below), whose sum is σ = 38610982368. Its totient is φ = 3268654080.

The previous prime is 13023544613. The next prime is 13023544631. The reversal of 13023544620 is 2644532031.

It is a super-2 number, since 2×13023544620² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6383071 + ... + 6385110.

It is an arithmetic number, because the mean of its divisors is an integer number (804395466).

Almost surely, 2^13023544620 is an apocalyptic number.

13023544620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13023544620 is an abundant number, since it is smaller than the sum of its proper divisors (25587437748).

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

13023544620 is a wasteful number, since it uses less digits than its factorization.

13023544620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12768210 (or 12768208 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 13023544620 in words is "thirteen billion, twenty-three million, five hundred forty-four thousand, six hundred twenty".