20003444431101 has 32 divisors (see below), whose sum is σ = 30436748334720. Its totient is φ = 12974748003072.

The previous prime is 20003444431081. The next prime is 20003444431111. The reversal of 20003444431101 is 10113444430002.

20003444431101 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 344 + 4 + 4 + 311 + 0 + 1 = 666.

It is not a de Polignac number, because 20003444431101 - 2³⁷ = 19866005477629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003444431111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29113941 + ... + 29793093.

It is an arithmetic number, because the mean of its divisors is an integer number (951148385460).

Almost surely, 2^{20003444431101} is an apocalyptic number.

It is an amenable number.

20003444431101 is a deficient number, since it is larger than the sum of its proper divisors (10433303903619).

20003444431101 is a wasteful number, since it uses less digits than its factorization.

20003444431101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708682 (or 708676 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 20003444431101 its reverse (10113444430002), we get a palindrome (30116888861103).

The spelling of 20003444431101 in words is "twenty trillion, three billion, four hundred forty-four million, four hundred thirty-one thousand, one hundred one".