205682 has 4 divisors (see below), whose sum is σ = 308526. Its totient is φ = 102840.

The previous prime is 205663. The next prime is 205703. The reversal of 205682 is 286502.

It is a happy number.

205682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 116281 + 89401 = 341^2 + 299^2 .

It is an unprimeable number.

205682 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51419 + ... + 51422.

2²⁰⁵⁶⁸² is an apocalyptic number.

205682 is a deficient number, since it is larger than the sum of its proper divisors (102844).

205682 is a wasteful number, since it uses less digits than its factorization.

205682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102843.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 205682 is about 453.5217745599. The cubic root of 205682 is about 59.0290003940.

The spelling of 205682 in words is "two hundred five thousand, six hundred eighty-two".