20442402004 has 12 divisors (see below), whose sum is σ = 35855696800. Its totient is φ = 10197917208.

The previous prime is 20442401983. The next prime is 20442402017. The reversal of 20442402004 is 40020424402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5818974 + ... + 5822485.

Almost surely, 2^20442402004 is an apocalyptic number.

It is an amenable number.

20442402004 is a deficient number, since it is larger than the sum of its proper divisors (15413294796).

20442402004 is a wasteful number, since it uses less digits than its factorization.

20442402004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641902 (or 11641900 counting only the distinct ones).

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

Adding to 20442402004 its reverse (40020424402), we get a palindrome (60462826406).

The spelling of 20442402004 in words is "twenty billion, four hundred forty-two million, four hundred two thousand, four".