205270 has 16 divisors (see below), whose sum is σ = 398160. Its totient is φ = 75744.

The previous prime is 205267. The next prime is 205297. The reversal of 205270 is 72502.

It is a happy number.

205270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660 + ... + 919.

It is an arithmetic number, because the mean of its divisors is an integer number (24885).

2²⁰⁵²⁷⁰ is an apocalyptic number.

205270 is a deficient number, since it is larger than the sum of its proper divisors (192890).

205270 is a wasteful number, since it uses less digits than its factorization.

205270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 205270 is about 453.0673239156. The cubic root of 205270 is about 58.9895605392.

Adding to 205270 its reverse (72502), we get a palindrome (277772).

The spelling of 205270 in words is "two hundred five thousand, two hundred seventy".