20115044244 has 36 divisors (see below), whose sum is σ = 50851434816. Its totient is φ = 6704345808.

The previous prime is 20115044239. The next prime is 20115044251. The reversal of 20115044244 is 44244051102.

20115044244 is a `hidden beast` number, since 201 + 15 + 0 + 442 + 4 + 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, 450387 + ... + 493029.

It is an arithmetic number, because the mean of its divisors is an integer number (1412539856).

Almost surely, 2^20115044244 is an apocalyptic number.

It is an amenable number.

20115044244 is an abundant number, since it is smaller than the sum of its proper divisors (30736390572).

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

20115044244 is a wasteful number, since it uses less digits than its factorization.

20115044244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55756 (or 55751 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 20115044244 its reverse (44244051102), we get a palindrome (64359095346).

The spelling of 20115044244 in words is "twenty billion, one hundred fifteen million, forty-four thousand, two hundred forty-four".