20444031242244 has 36 divisors (see below), whose sum is σ = 51679159357644. Its totient is φ = 6814519960512.

The previous prime is 20444031242237. The next prime is 20444031242329. The reversal of 20444031242244 is 44224213044402.

20444031242244 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 403 + 1 + 2 + 4 + 2 + 244 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27369731844 + 20416661510400 = 165438^2 + 4518480^2 .

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

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

It is a junction number, because it is equal to n+sod(n) for n = 20444031242199 and 20444031242208.

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, 4958307 + ... + 8091530.

It is an arithmetic number, because the mean of its divisors is an integer number (1435532204379).

Almost surely, 2^{20444031242244} is an apocalyptic number.

It is an amenable number.

20444031242244 is an abundant number, since it is smaller than the sum of its proper divisors (31235128115400).

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

20444031242244 is a wasteful number, since it uses less digits than its factorization.

20444031242244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13093364 (or 13093359 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 20444031242244 its reverse (44224213044402), we get a palindrome (64668244286646).

The spelling of 20444031242244 in words is "twenty trillion, four hundred forty-four billion, thirty-one million, two hundred forty-two thousand, two hundred forty-four".