206535230 has 32 divisors (see below), whose sum is σ = 410711040. Its totient is φ = 74149920.

The previous prime is 206535229. The next prime is 206535247. The reversal of 206535230 is 32535602.

It is a self number, because there is not a number n which added to its sum of digits gives 206535230.

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 15 ways as a sum of consecutive naturals, for example, 3194 + ... + 20573.

It is an arithmetic number, because the mean of its divisors is an integer number (12834720).

Almost surely, 2^206535230 is an apocalyptic number.

206535230 is a deficient number, since it is larger than the sum of its proper divisors (204175810).

206535230 is a wasteful number, since it uses less digits than its factorization.

206535230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23864.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 206535230 is about 14371.3336193966. Note that the first 3 decimals coincide. The cubic root of 206535230 is about 591.1051106037.

The spelling of 206535230 in words is "two hundred six million, five hundred thirty-five thousand, two hundred thirty".