200102238 has 96 divisors (see below), whose sum is σ = 518918400. Its totient is φ = 56609280.

The previous prime is 200102237. The next prime is 200102251. The reversal of 200102238 is 832201002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 200102238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200102237) 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 47 ways as a sum of consecutive naturals, for example, 445438 + ... + 445886.

It is an arithmetic number, because the mean of its divisors is an integer number (5405400).

Almost surely, 2^200102238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200102238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259459200).

200102238 is an abundant number, since it is smaller than the sum of its proper divisors (318816162).

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

200102238 is a wasteful number, since it uses less digits than its factorization.

200102238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 200102238 is about 14145.7498210593. The cubic root of 200102238 is about 584.9031792428.

The spelling of 200102238 in words is "two hundred million, one hundred two thousand, two hundred thirty-eight".