206195 has 16 divisors (see below), whose sum is σ = 283392. Its totient is φ = 142560.

The previous prime is 206191. The next prime is 206197. The reversal of 206195 is 591602.

It is not a de Polignac number, because 206195 - 2² = 206191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206195.

It is not an unprimeable number, because it can be changed into a prime (206191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184 + ... + 1346.

It is an arithmetic number, because the mean of its divisors is an integer number (17712).

2²⁰⁶¹⁹⁵ is an apocalyptic number.

206195 is a deficient number, since it is larger than the sum of its proper divisors (77197).

206195 is a wasteful number, since it uses less digits than its factorization.

206195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 206195 is about 454.0869960701. The cubic root of 206195 is about 59.0780352087.

Adding to 206195 its reverse (591602), we get a palindrome (797797).

The spelling of 206195 in words is "two hundred six thousand, one hundred ninety-five".