200019982500 has 1440 divisors, whose sum is σ = 784532869120. Its totient is φ = 44089920000.

The previous prime is 200019982489. The next prime is 200019982507. The reversal of 200019982500 is 5289910002.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200019982507) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 4651627479 + ... + 4651627521.

Almost surely, 2^200019982500 is an apocalyptic number.

200019982500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200019982500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392266434560).

200019982500 is an abundant number, since it is smaller than the sum of its proper divisors (584512886620).

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

200019982500 is a wasteful number, since it uses less digits than its factorization.

200019982500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 200019982500 in words is "two hundred billion, nineteen million, nine hundred eighty-two thousand, five hundred".