13204220444 has 12 divisors (see below), whose sum is σ = 23209182024. Its totient is φ = 6573025584.

The previous prime is 13204220413. The next prime is 13204220453. The reversal of 13204220444 is 44402240231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7270139 + ... + 7271954.

It is an arithmetic number, because the mean of its divisors is an integer number (1934098502).

Almost surely, 2^13204220444 is an apocalyptic number.

It is an amenable number.

13204220444 is a deficient number, since it is larger than the sum of its proper divisors (10004961580).

13204220444 is a wasteful number, since it uses less digits than its factorization.

13204220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14542324 (or 14542322 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 13204220444 its reverse (44402240231), we get a palindrome (57606460675).

The spelling of 13204220444 in words is "thirteen billion, two hundred four million, two hundred twenty thousand, four hundred forty-four".