20044425042 has 24 divisors (see below), whose sum is σ = 45984269916. Its totient is φ = 6288446976.

The previous prime is 20044424929. The next prime is 20044425061. The reversal of 20044425042 is 24052444002.

It can be written as a sum of positive squares in 2 ways, for example, as 20002162041 + 42263001 = 141429^2 + 6501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20044424997 and 20044425015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32752023 + ... + 32752634.

Almost surely, 2^20044425042 is an apocalyptic number.

20044425042 is an abundant number, since it is smaller than the sum of its proper divisors (25939844874).

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

20044425042 is a wasteful number, since it uses less digits than its factorization.

20044425042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65504682 (or 65504679 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

Adding to 20044425042 its reverse (24052444002), we get a palindrome (44096869044).

The spelling of 20044425042 in words is "twenty billion, forty-four million, four hundred twenty-five thousand, forty-two".