20003044200 has 96 divisors (see below), whose sum is σ = 65273128800. Its totient is φ = 5053397760.

The previous prime is 20003044183. The next prime is 20003044213. The reversal of 20003044200 is 244030002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20003044200.

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, 865927 + ... + 888726.

It is an arithmetic number, because the mean of its divisors is an integer number (679928425).

Almost surely, 2^20003044200 is an apocalyptic number.

20003044200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20003044200 is an abundant number, since it is smaller than the sum of its proper divisors (45270084600).

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

20003044200 is a wasteful number, since it uses less digits than its factorization.

20003044200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754691 (or 1754682 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20003044200 its reverse (244030002), we get a palindrome (20247074202).

The spelling of 20003044200 in words is "twenty billion, three million, forty-four thousand, two hundred".