13344244304220 has 144 divisors (see below), whose sum is σ = 40716362860992. Its totient is φ = 3537474739200.

The previous prime is 13344244304201. The next prime is 13344244304221. The reversal of 13344244304220 is 2240344244331.

13344244304220 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 424 + 4 + 3 + 0 + 4 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13344244304221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330094929 + ... + 330135351.

It is an arithmetic number, because the mean of its divisors is an integer number (282752519868).

Almost surely, 2^{13344244304220} is an apocalyptic number.

13344244304220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13344244304220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20358181430496).

13344244304220 is an abundant number, since it is smaller than the sum of its proper divisors (27372118556772).

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

13344244304220 is a wasteful number, since it uses less digits than its factorization.

13344244304220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51212 (or 51207 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 13344244304220 its reverse (2240344244331), we get a palindrome (15584588548551).

The spelling of 13344244304220 in words is "thirteen trillion, three hundred forty-four billion, two hundred forty-four million, three hundred four thousand, two hundred twenty".