200243220 has 48 divisors (see below), whose sum is σ = 563373888. Its totient is φ = 53141760.

The previous prime is 200243191. The next prime is 200243237. The reversal of 200243220 is 22342002.

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 200243220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4752 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (11736956).

Almost surely, 2^200243220 is an apocalyptic number.

200243220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200243220 is an abundant number, since it is smaller than the sum of its proper divisors (363130668).

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

200243220 is a wasteful number, since it uses less digits than its factorization.

200243220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16040 (or 16038 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 200243220 is about 14150.7321365363. The cubic root of 200243220 is about 585.0405114760.

Adding to 200243220 its reverse (22342002), we get a palindrome (222585222).

The spelling of 200243220 in words is "two hundred million, two hundred forty-three thousand, two hundred twenty".