13324400220 has 48 divisors (see below), whose sum is σ = 37321377408. Its totient is φ = 3551929920.

The previous prime is 13324400209. The next prime is 13324400231. The reversal of 13324400220 is 2200442331.

It is an interprime number because it is at equal distance from previous prime (13324400209) and next prime (13324400231).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140887 + ... + 215633.

It is an arithmetic number, because the mean of its divisors is an integer number (777528696).

Almost surely, 2^13324400220 is an apocalyptic number.

13324400220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13324400220 is an abundant number, since it is smaller than the sum of its proper divisors (23996977188).

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

13324400220 is a wasteful number, since it uses less digits than its factorization.

13324400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77730 (or 77728 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 13324400220 its reverse (2200442331), we get a palindrome (15524842551).

The spelling of 13324400220 in words is "thirteen billion, three hundred twenty-four million, four hundred thousand, two hundred twenty".