20444533234056 has 96 divisors (see below), whose sum is σ = 55971468633600. Its totient is φ = 6741291358080.

The previous prime is 20444533234003. The next prime is 20444533234093. The reversal of 20444533234056 is 65043233544402.

20444533234056 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 4 + 533 + 23 + 40 + 56 = 666.

It is a super-2 number, since 2×20444533234056² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1691071 + ... + 6614286.

It is an arithmetic number, because the mean of its divisors is an integer number (583036131600).

Almost surely, 2^{20444533234056} is an apocalyptic number.

It is an amenable number.

20444533234056 is an abundant number, since it is smaller than the sum of its proper divisors (35526935399544).

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

20444533234056 is a wasteful number, since it uses less digits than its factorization.

20444533234056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8305739 (or 8305732 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 45.

Adding to 20444533234056 its reverse (65043233544402), we get a palindrome (85487766778458).

The spelling of 20444533234056 in words is "twenty trillion, four hundred forty-four billion, five hundred thirty-three million, two hundred thirty-four thousand, fifty-six".