20444532263056 has 40 divisors (see below), whose sum is σ = 43944718831200. Its totient is φ = 9135461253120.

The previous prime is 20444532263041. The next prime is 20444532263059. The reversal of 20444532263056 is 65036223544402.

It is a junction number, because it is equal to n+sod(n) for n = 20444532262997 and 20444532263015.

It is not an unprimeable number, because it can be changed into a prime (20444532263059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984414321 + ... + 984435088.

It is an arithmetic number, because the mean of its divisors is an integer number (1098617970780).

Almost surely, 2^{20444532263056} is an apocalyptic number.

It is an amenable number.

20444532263056 is an abundant number, since it is smaller than the sum of its proper divisors (23500186568144).

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

20444532263056 is a wasteful number, since it uses less digits than its factorization.

20444532263056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968849487 (or 1968849481 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 46.

The spelling of 20444532263056 in words is "twenty trillion, four hundred forty-four billion, five hundred thirty-two million, two hundred sixty-three thousand, fifty-six".