13044003320 has 32 divisors (see below), whose sum is σ = 29830144320. Its totient is φ = 5132065920.

The previous prime is 13044003319. The next prime is 13044003353. The reversal of 13044003320 is 2330044031.

It is a super-2 number, since 2×13044003320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13044003292 and 13044003301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2670512 + ... + 2675391.

It is an arithmetic number, because the mean of its divisors is an integer number (932192010).

Almost surely, 2^13044003320 is an apocalyptic number.

13044003320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044003320 is an abundant number, since it is smaller than the sum of its proper divisors (16786141000).

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

13044003320 is a wasteful number, since it uses less digits than its factorization.

13044003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345975 (or 5345971 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13044003320 its reverse (2330044031), we get a palindrome (15374047351).

The spelling of 13044003320 in words is "thirteen billion, forty-four million, three thousand, three hundred twenty".