13044223420 has 24 divisors (see below), whose sum is σ = 29004215184. Its totient is φ = 4910766336.

The previous prime is 13044223417. The next prime is 13044223429. The reversal of 13044223420 is 2432244031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044223429) by changing a digit.

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, 19182342 + ... + 19183021.

It is an arithmetic number, because the mean of its divisors is an integer number (1208508966).

Almost surely, 2^13044223420 is an apocalyptic number.

13044223420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044223420 is an abundant number, since it is smaller than the sum of its proper divisors (15959991764).

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

13044223420 is a wasteful number, since it uses less digits than its factorization.

13044223420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38365389 (or 38365387 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 13044223420 its reverse (2432244031), we get a palindrome (15476467451).

The spelling of 13044223420 in words is "thirteen billion, forty-four million, two hundred twenty-three thousand, four hundred twenty".