20104443404 has 12 divisors (see below), whose sum is σ = 35196217728. Its totient is φ = 10048381200.

The previous prime is 20104443397. The next prime is 20104443409. The reversal of 20104443404 is 40434440102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20104443409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948332 + ... + 969299.

It is an arithmetic number, because the mean of its divisors is an integer number (2933018144).

Almost surely, 2^20104443404 is an apocalyptic number.

It is an amenable number.

20104443404 is a deficient number, since it is larger than the sum of its proper divisors (15091774324).

20104443404 is a wasteful number, since it uses less digits than its factorization.

20104443404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920256 (or 1920254 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20104443404 its reverse (40434440102), we get a palindrome (60538883506).

The spelling of 20104443404 in words is "twenty billion, one hundred four million, four hundred forty-three thousand, four hundred four".