20044224800 has 72 divisors (see below), whose sum is σ = 51508422000. Its totient is φ = 7595700480.

The previous prime is 20044224773. The next prime is 20044224817. The reversal of 20044224800 is 842244002.

It is a self number, because there is not a number n which added to its sum of digits gives 20044224800.

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, 644150 + ... + 674549.

It is an arithmetic number, because the mean of its divisors is an integer number (715394750).

Almost surely, 2^20044224800 is an apocalyptic number.

20044224800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20044224800 is an abundant number, since it is smaller than the sum of its proper divisors (31464197200).

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

20044224800 is a wasteful number, since it uses less digits than its factorization.

20044224800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318738 (or 1318725 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 20044224800 its reverse (842244002), we get a palindrome (20886468802).

The spelling of 20044224800 in words is "twenty billion, forty-four million, two hundred twenty-four thousand, eight hundred".