20044040200 has 96 divisors (see below), whose sum is σ = 48267837000. Its totient is φ = 7731763200.

The previous prime is 20044040197. The next prime is 20044040221. The reversal of 20044040200 is 204044002.

It can be written as a sum of positive squares in 12 ways, for example, as 1775273956 + 18268766244 = 42134^2 + 135162^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6546670 + ... + 6549730.

Almost surely, 2^20044040200 is an apocalyptic number.

20044040200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20044040200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24133918500).

20044040200 is an abundant number, since it is smaller than the sum of its proper divisors (28223796800).

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

20044040200 is a wasteful number, since it uses less digits than its factorization.

20044040200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235 (or 4226 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20044040200 its reverse (204044002), we get a palindrome (20248084202).

The spelling of 20044040200 in words is "twenty billion, forty-four million, forty thousand, two hundred".