20044000004 has 36 divisors (see below), whose sum is σ = 40756165632. Its totient is φ = 8449417440.

The previous prime is 20043999949. The next prime is 20044000013. The reversal of 20044000004 is 40000044002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7997 + ... + 200379.

It is an arithmetic number, because the mean of its divisors is an integer number (1132115712).

Almost surely, 2^20044000004 is an apocalyptic number.

It is an amenable number.

20044000004 is an abundant number, since it is smaller than the sum of its proper divisors (20712165628).

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

20044000004 is a wasteful number, since it uses less digits than its factorization.

20044000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192516 (or 192453 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20044000004 its reverse (40000044002), we get a palindrome (60044044006).

The spelling of 20044000004 in words is "twenty billion, forty-four million, four", and thus it is an aban number.