20042444012444 has 24 divisors (see below), whose sum is σ = 41168263379040. Its totient is φ = 8357467000896.

The previous prime is 20042444012443. The next prime is 20042444012447. The reversal of 20042444012444 is 44421044424002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042444012443) 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, 9672993179 + ... + 9672995250.

It is an arithmetic number, because the mean of its divisors is an integer number (1715344307460).

Almost surely, 2^{20042444012444} is an apocalyptic number.

It is an amenable number.

20042444012444 is an abundant number, since it is smaller than the sum of its proper divisors (21125819366596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20042444012444 is a wasteful number, since it uses less digits than its factorization.

20042444012444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19345988477 (or 19345988475 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 20042444012444 its reverse (44421044424002), we get a palindrome (64463488436446).

The spelling of 20042444012444 in words is "twenty trillion, forty-two billion, four hundred forty-four million, twelve thousand, four hundred forty-four".