200242128 has 40 divisors (see below), whose sum is σ = 518457888. Its totient is φ = 66596992.

The previous prime is 200242123. The next prime is 200242153. The reversal of 200242128 is 821242002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200242123) 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, 17950 + ... + 26882.

Almost surely, 2^200242128 is an apocalyptic number.

It is an amenable number.

200242128 is an abundant number, since it is smaller than the sum of its proper divisors (318215760).

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

200242128 is a wasteful number, since it uses less digits than its factorization.

200242128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9411 (or 9405 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 200242128 is about 14150.6935519076. The cubic root of 200242128 is about 585.0394479937.

The spelling of 200242128 in words is "two hundred million, two hundred forty-two thousand, one hundred twenty-eight".