13020334320 has 160 divisors (see below), whose sum is σ = 46166473728. Its totient is φ = 2973671424.

The previous prime is 13020334319. The next prime is 13020334337. The reversal of 13020334320 is 2343302031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2848677 + ... + 2853243.

Almost surely, 2^13020334320 is an apocalyptic number.

13020334320 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 13020334320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23083236864).

13020334320 is an abundant number, since it is smaller than the sum of its proper divisors (33146139408).

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

13020334320 is a wasteful number, since it uses less digits than its factorization.

13020334320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287 (or 6281 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 13020334320 its reverse (2343302031), we get a palindrome (15363636351).

The spelling of 13020334320 in words is "thirteen billion, twenty million, three hundred thirty-four thousand, three hundred twenty".