20183884900 has 27 divisors (see below), whose sum is σ = 43802113369. Its totient is φ = 8072985680.

The previous prime is 20183884883. The next prime is 20183884909. The reversal of 20183884900 is 948838102.

The square root of 20183884900 is 142070.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7266198564 + 12917686336 = 85242^2 + 113656^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20183884909) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1413597 + ... + 1427803.

Almost surely, 2^20183884900 is an apocalyptic number.

20183884900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

20183884900 is the 142070-th square number.

It is an amenable number.

20183884900 is an abundant number, since it is smaller than the sum of its proper divisors (23618228469).

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

20183884900 is an frugal number, since it uses more digits than its factorization.

20183884900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28428 (or 14214 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 20183884900 in words is "twenty billion, one hundred eighty-three million, eight hundred eighty-four thousand, nine hundred".