13013220013320 has 256 divisors, whose sum is σ = 40448099450880. Its totient is φ = 3347176089600.

The previous prime is 13013220013217. The next prime is 13013220013427. The reversal of 13013220013320 is 2331002231031.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1338666060 + ... + 1338675780.

It is an arithmetic number, because the mean of its divisors is an integer number (158000388480).

Almost surely, 2^{13013220013320} is an apocalyptic number.

13013220013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13013220013320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20224049725440).

13013220013320 is an abundant number, since it is smaller than the sum of its proper divisors (27434879437560).

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

13013220013320 is a wasteful number, since it uses less digits than its factorization.

13013220013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13196 (or 13192 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13013220013320 its reverse (2331002231031), we get a palindrome (15344222244351).

The spelling of 13013220013320 in words is "thirteen trillion, thirteen billion, two hundred twenty million, thirteen thousand, three hundred twenty".