13220044024 has 16 divisors (see below), whose sum is σ = 27040999320. Its totient is φ = 6009110880.

The previous prime is 13220044003. The next prime is 13220044039. The reversal of 13220044024 is 42044002231.

It is a happy number.

It is a super-2 number, since 2×13220044024² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13220043986 and 13220044004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75113799 + ... + 75113974.

Almost surely, 2^13220044024 is an apocalyptic number.

It is an amenable number.

13220044024 is an abundant number, since it is smaller than the sum of its proper divisors (13820955296).

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

13220044024 is a wasteful number, since it uses less digits than its factorization.

13220044024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150227790 (or 150227786 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 13220044024 its reverse (42044002231), we get a palindrome (55264046255).

The spelling of 13220044024 in words is "thirteen billion, two hundred twenty million, forty-four thousand, twenty-four".