13244424220 has 24 divisors (see below), whose sum is σ = 28405065024. Its totient is φ = 5185050816.

The previous prime is 13244424199. The next prime is 13244424223. The reversal of 13244424220 is 2242444231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244424223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7043967 + ... + 7045846.

It is an arithmetic number, because the mean of its divisors is an integer number (1183544376).

Almost surely, 2^13244424220 is an apocalyptic number.

13244424220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13244424220 is an abundant number, since it is smaller than the sum of its proper divisors (15160640804).

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

13244424220 is a wasteful number, since it uses less digits than its factorization.

13244424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14089869 (or 14089867 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 13244424220 its reverse (2242444231), we get a palindrome (15486868451).

The spelling of 13244424220 in words is "thirteen billion, two hundred forty-four million, four hundred twenty-four thousand, two hundred twenty".