20441136554 has 16 divisors (see below), whose sum is σ = 30985154376. Its totient is φ = 10113292800.

The previous prime is 20441136523. The next prime is 20441136559. The reversal of 20441136554 is 45563114402.

It can be written as a sum of positive squares in 4 ways, for example, as 16500687025 + 3940449529 = 128455^2 + 62773^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20441136559) 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, 59387 + ... + 210734.

Almost surely, 2^20441136554 is an apocalyptic number.

20441136554 is a deficient number, since it is larger than the sum of its proper divisors (10544017822).

20441136554 is a wasteful number, since it uses less digits than its factorization.

20441136554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270521.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 20441136554 in words is "twenty billion, four hundred forty-one million, one hundred thirty-six thousand, five hundred fifty-four".