20130344244 has 36 divisors (see below), whose sum is σ = 51498117216. Its totient is φ = 6629269008.

The previous prime is 20130344167. The next prime is 20130344251. The reversal of 20130344244 is 44244303102.

It is a happy number.

20130344244 is a `hidden beast` number, since 201 + 3 + 0 + 34 + 424 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3365544 + ... + 3371519.

It is an arithmetic number, because the mean of its divisors is an integer number (1430503256).

Almost surely, 2^20130344244 is an apocalyptic number.

It is an amenable number.

20130344244 is an abundant number, since it is smaller than the sum of its proper divisors (31367772972).

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

20130344244 is a wasteful number, since it uses less digits than its factorization.

20130344244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737156 (or 6737151 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20130344244 its reverse (44244303102), we get a palindrome (64374647346).

The spelling of 20130344244 in words is "twenty billion, one hundred thirty million, three hundred forty-four thousand, two hundred forty-four".