330205 has 4 divisors (see below), whose sum is σ = 396252. Its totient is φ = 264160.

The previous prime is 330203. The next prime is 330217. The reversal of 330205 is 502033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502033 = 7 ⋅71719.

It can be written as a sum of positive squares in 2 ways, for example, as 133956 + 196249 = 366^2 + 443^2 .

It is not a de Polignac number, because 330205 - 2¹ = 330203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330203) 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, 33016 + ... + 33025.

It is an arithmetic number, because the mean of its divisors is an integer number (99063).

2³³⁰²⁰⁵ is an apocalyptic number.

It is an amenable number.

330205 is a deficient number, since it is larger than the sum of its proper divisors (66047).

330205 is an equidigital number, since it uses as much as digits as its factorization.

330205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66046.

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

The square root of 330205 is about 574.6346665491. The cubic root of 330205 is about 69.1185388003.

Adding to 330205 its reverse (502033), we get a palindrome (832238).

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

The spelling of 330205 in words is "three hundred thirty thousand, two hundred five".