205606230 has 32 divisors (see below), whose sum is σ = 510472800. Its totient is φ = 52937472.

The previous prime is 205606217. The next prime is 205606237. The reversal of 205606230 is 32606502.

It is a self number, because there is not a number n which added to its sum of digits gives 205606230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205606237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117295 + ... + 119034.

It is an arithmetic number, because the mean of its divisors is an integer number (15952275).

Almost surely, 2^205606230 is an apocalyptic number.

205606230 is an abundant number, since it is smaller than the sum of its proper divisors (304866570).

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

205606230 is a wasteful number, since it uses less digits than its factorization.

205606230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236368.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 205606230 is about 14338.9759048546. The cubic root of 205606230 is about 590.2175105329.

The spelling of 205606230 in words is "two hundred five million, six hundred six thousand, two hundred thirty".