20442020044 has 24 divisors (see below), whose sum is σ = 36392569920. Its totient is φ = 10044264144.

The previous prime is 20442020033. The next prime is 20442020051. The reversal of 20442020044 is 44002024402.

It is a junction number, because it is equal to n+sod(n) for n = 20442019997 and 20442020024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742387 + ... + 769429.

It is an arithmetic number, because the mean of its divisors is an integer number (1516357080).

Almost surely, 2^20442020044 is an apocalyptic number.

It is an amenable number.

20442020044 is a deficient number, since it is larger than the sum of its proper divisors (15950549876).

20442020044 is a wasteful number, since it uses less digits than its factorization.

20442020044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30309 (or 30307 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20442020044 its reverse (44002024402), we get a palindrome (64444044446).

The spelling of 20442020044 in words is "twenty billion, four hundred forty-two million, twenty thousand, forty-four".