20442044001 has 16 divisors (see below), whose sum is σ = 28201593600. Its totient is φ = 13155451008.

The previous prime is 20442043991. The next prime is 20442044017. The reversal of 20442044001 is 10044024402.

It is not a de Polignac number, because 20442044001 - 2¹⁰ = 20442042977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20442042001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470485 + ... + 512093.

It is an arithmetic number, because the mean of its divisors is an integer number (1762599600).

Almost surely, 2^20442044001 is an apocalyptic number.

It is an amenable number.

20442044001 is a deficient number, since it is larger than the sum of its proper divisors (7759549599).

20442044001 is a wasteful number, since it uses less digits than its factorization.

20442044001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47288.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20442044001 its reverse (10044024402), we get a palindrome (30486068403).

The spelling of 20442044001 in words is "twenty billion, four hundred forty-two million, forty-four thousand, one".