200023800 has 96 divisors (see below), whose sum is σ = 622393200. Its totient is φ = 53140480.

The previous prime is 200023787. The next prime is 200023807. The reversal of 200023800 is 8320002.

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 200023800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200023807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232972 + ... + 233828.

Almost surely, 2^200023800 is an apocalyptic number.

200023800 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 200023800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311196600).

200023800 is an abundant number, since it is smaller than the sum of its proper divisors (422369400).

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

200023800 is a wasteful number, since it uses less digits than its factorization.

200023800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 200023800 is about 14142.9770557687. The cubic root of 200023800 is about 584.8267439299.

Adding to 200023800 its reverse (8320002), we get a palindrome (208343802).

The spelling of 200023800 in words is "two hundred million, twenty-three thousand, eight hundred".