205355230 has 16 divisors (see below), whose sum is σ = 389094480. Its totient is φ = 77818752.

The previous prime is 205355221. The next prime is 205355251. The reversal of 205355230 is 32553502.

205355230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 205355195 and 205355204.

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 7 ways as a sum of consecutive naturals, for example, 540219 + ... + 540598.

It is an arithmetic number, because the mean of its divisors is an integer number (24318405).

Almost surely, 2^205355230 is an apocalyptic number.

205355230 is a deficient number, since it is larger than the sum of its proper divisors (183739250).

205355230 is a wasteful number, since it uses less digits than its factorization.

205355230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080843.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 205355230 is about 14330.2208636155. The cubic root of 205355230 is about 589.9772374633.

The spelling of 205355230 in words is "two hundred five million, three hundred fifty-five thousand, two hundred thirty".