20444274254744 has 8 divisors (see below), whose sum is σ = 38333014227660. Its totient is φ = 10222137127368.

The previous prime is 20444274254741. The next prime is 20444274254773. The reversal of 20444274254744 is 44745247244402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20444274254741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277767140914 + ... + 1277767140929.

Almost surely, 2^{20444274254744} is an apocalyptic number.

It is an amenable number.

20444274254744 is a deficient number, since it is larger than the sum of its proper divisors (17888739972916).

20444274254744 is a wasteful number, since it uses less digits than its factorization.

20444274254744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555534281849 (or 2555534281845 counting only the distinct ones).

The product of its (nonzero) digits is 32112640, while the sum is 53.

The spelling of 20444274254744 in words is "twenty trillion, four hundred forty-four billion, two hundred seventy-four million, two hundred fifty-four thousand, seven hundred forty-four".