204206 has 4 divisors (see below), whose sum is σ = 306312. Its totient is φ = 102102.

The previous prime is 204173. The next prime is 204233. The reversal of 204206 is 602402.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050 + ... + 51053.

It is an arithmetic number, because the mean of its divisors is an integer number (76578).

2²⁰⁴²⁰⁶ is an apocalyptic number.

204206 is a deficient number, since it is larger than the sum of its proper divisors (102106).

204206 is a wasteful number, since it uses less digits than its factorization.

204206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102105.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 204206 is about 451.8915799171. The cubic root of 204206 is about 58.8874614318.

Adding to 204206 its reverse (602402), we get a palindrome (806608).

It can be divided in two parts, 204 and 206, that multiplied together give a palindrome (42024).

The spelling of 204206 in words is "two hundred four thousand, two hundred six".