20041104400 has 60 divisors (see below), whose sum is σ = 48176210052. Its totient is φ = 8011870720.

The previous prime is 20041104389. The next prime is 20041104403. The reversal of 20041104400 is 440114002.

It can be written as a sum of positive squares in 6 ways, for example, as 3780774144 + 16260330256 = 61488^2 + 127516^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (20041104403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 737454 + ... + 764146.

Almost surely, 2^20041104400 is an apocalyptic number.

20041104400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20041104400 is an abundant number, since it is smaller than the sum of its proper divisors (28135105652).

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

20041104400 is a wasteful number, since it uses less digits than its factorization.

20041104400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28588 (or 28577 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20041104400 its reverse (440114002), we get a palindrome (20481218402).

The spelling of 20041104400 in words is "twenty billion, forty-one million, one hundred four thousand, four hundred".