20444304200 has 48 divisors (see below), whose sum is σ = 47574769380. Its totient is φ = 8170536960.

The previous prime is 20444304163. The next prime is 20444304233. The reversal of 20444304200 is 240344402.

It can be written as a sum of positive squares in 6 ways, for example, as 11219470084 + 9224834116 = 105922^2 + 96046^2 .

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, 186272 + ... + 274928.

Almost surely, 2^20444304200 is an apocalyptic number.

20444304200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20444304200 is an abundant number, since it is smaller than the sum of its proper divisors (27130465180).

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

20444304200 is a wasteful number, since it uses less digits than its factorization.

20444304200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89826 (or 89817 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20444304200 its reverse (240344402), we get a palindrome (20684648602).

The spelling of 20444304200 in words is "twenty billion, four hundred forty-four million, three hundred four thousand, two hundred".