206055 has 24 divisors (see below), whose sum is σ = 377520. Its totient is φ = 103680.

The previous prime is 206051. The next prime is 206069. The reversal of 206055 is 550602.

206055 = 201² + 202² + ... + 205².

It is not a de Polignac number, because 206055 - 2² = 206051 is a prime.

206055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 735 + ... + 975.

It is an arithmetic number, because the mean of its divisors is an integer number (15730).

2²⁰⁶⁰⁵⁵ is an apocalyptic number.

206055 is a deficient number, since it is larger than the sum of its proper divisors (171465).

206055 is a wasteful number, since it uses less digits than its factorization.

206055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 206055 is about 453.9328144120. The cubic root of 206055 is about 59.0646614645.

Adding to 206055 its reverse (550602), we get a palindrome (756657).

The spelling of 206055 in words is "two hundred six thousand, fifty-five".