19833088900 has 27 divisors (see below), whose sum is σ = 43040859141. Its totient is φ = 7932672240.

The previous prime is 19833088889. The next prime is 19833088901. The reversal of 19833088900 is 988033891.

The square root of 19833088900 is 140830.

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., 7139912004 + 12693176896 = 84498^2 + 112664^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19833088901) 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, 1401259 + ... + 1415341.

Almost surely, 2^19833088900 is an apocalyptic number.

19833088900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19833088900 is the 140830-th square number.

It is an amenable number.

19833088900 is an abundant number, since it is smaller than the sum of its proper divisors (23207770241).

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

19833088900 is an frugal number, since it uses more digits than its factorization.

19833088900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28180 (or 14090 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

Multiplying 19833088900 by its sum of digits (49), we get a square (971821356100 = 985810²).

The spelling of 19833088900 in words is "nineteen billion, eight hundred thirty-three million, eighty-eight thousand, nine hundred".