200020188 has 24 divisors (see below), whose sum is σ = 467057808. Its totient is φ = 66624256.

The previous prime is 200020157. The next prime is 200020189. The reversal of 200020188 is 881020002.

200020188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13270 + ... + 24002.

It is an arithmetic number, because the mean of its divisors is an integer number (19460742).

Almost surely, 2^200020188 is an apocalyptic number.

It is an amenable number.

200020188 is an abundant number, since it is smaller than the sum of its proper divisors (267037620).

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

200020188 is a wasteful number, since it uses less digits than its factorization.

200020188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12293 (or 12291 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 200020188 is about 14142.8493593052. The cubic root of 200020188 is about 584.8232236706.

The spelling of 200020188 in words is "two hundred million, twenty thousand, one hundred eighty-eight".