200815230 has 144 divisors (see below), whose sum is σ = 616790160. Its totient is φ = 41690880.

The previous prime is 200815229. The next prime is 200815259. The reversal of 200815230 is 32518002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200815197 and 200815206.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 177306 + ... + 178434.

It is an arithmetic number, because the mean of its divisors is an integer number (4283265).

Almost surely, 2^200815230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200815230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308395080).

200815230 is an abundant number, since it is smaller than the sum of its proper divisors (415974930).

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

200815230 is a wasteful number, since it uses less digits than its factorization.

200815230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 200815230 is about 14170.9290450556. The cubic root of 200815230 is about 585.5970527954.

The spelling of 200815230 in words is "two hundred million, eight hundred fifteen thousand, two hundred thirty".