205330 has 8 divisors (see below), whose sum is σ = 369612. Its totient is φ = 82128.

The previous prime is 205327. The next prime is 205339. The reversal of 205330 is 33502.

It can be written as a sum of positive squares in 2 ways, for example, as 205209 + 121 = 453^2 + 11^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 205330.

It is not an unprimeable number, because it can be changed into a prime (205339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10257 + ... + 10276.

2²⁰⁵³³⁰ is an apocalyptic number.

205330 is a deficient number, since it is larger than the sum of its proper divisors (164282).

205330 is a wasteful number, since it uses less digits than its factorization.

205330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20540.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 205330 is about 453.1335344024. The cubic root of 205330 is about 58.9953074885.

Adding to 205330 its reverse (33502), we get a palindrome (238832).

It can be divided in two parts, 205 and 330, that added together give a palindrome (535).

The spelling of 205330 in words is "two hundred five thousand, three hundred thirty".