20244404404 has 12 divisors (see below), whose sum is σ = 40488808864. Its totient is φ = 8676173304.

The previous prime is 20244404377. The next prime is 20244404413. The reversal of 20244404404 is 40440444202.

20244404404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 723014443 = 20244404404 / (2 + 0 + 2 + 4 + 4 + 4 + 0 + 4 + 4 + 0 + 4).

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, 361507194 + ... + 361507249.

Almost surely, 2^20244404404 is an apocalyptic number.

It is an amenable number.

20244404404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20244404404 is a wasteful number, since it uses less digits than its factorization.

20244404404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723014454 (or 723014452 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20244404404 its reverse (40440444202), we get a palindrome (60684848606).

The spelling of 20244404404 in words is "twenty billion, two hundred forty-four million, four hundred four thousand, four hundred four".