20145441100672 has 32 divisors (see below), whose sum is σ = 40147845421320. Its totient is φ = 10069119112704.

The previous prime is 20145441100667. The next prime is 20145441100693. The reversal of 20145441100672 is 27600114454102.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27776818 + ... + 28492849.

Almost surely, 2^{20145441100672} is an apocalyptic number.

It is an amenable number.

20145441100672 is a deficient number, since it is larger than the sum of its proper divisors (20002404320648).

20145441100672 is an equidigital number, since it uses as much as digits as its factorization.

20145441100672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56272478 (or 56272466 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

Adding to 20145441100672 its reverse (27600114454102), we get a palindrome (47745555554774).

The spelling of 20145441100672 in words is "twenty trillion, one hundred forty-five billion, four hundred forty-one million, one hundred thousand, six hundred seventy-two".