20044431441 has 12 divisors (see below), whose sum is σ = 28955873232. Its totient is φ = 13361659416.

The previous prime is 20044431413. The next prime is 20044431443. The reversal of 20044431441 is 14413444002.

20044431441 is a `hidden beast` number, since 200 + 4 + 443 + 14 + 4 + 1 = 666.

It is not a de Polignac number, because 20044431441 - 2⁵ = 20044431409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20044431443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4671 + ... + 200276.

It is an arithmetic number, because the mean of its divisors is an integer number (2412989436).

Almost surely, 2^20044431441 is an apocalyptic number.

It is an amenable number.

20044431441 is a deficient number, since it is larger than the sum of its proper divisors (8911441791).

20044431441 is a wasteful number, since it uses less digits than its factorization.

20044431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215820 (or 215817 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20044431441 its reverse (14413444002), we get a palindrome (34457875443).

The spelling of 20044431441 in words is "twenty billion, forty-four million, four hundred thirty-one thousand, four hundred forty-one".