206022196 has 6 divisors (see below), whose sum is σ = 360538850. Its totient is φ = 103011096.

The previous prime is 206022163. The next prime is 206022203. The reversal of 206022196 is 691220602.

It can be written as a sum of positive squares in only one way, i.e., 143137296 + 62884900 = 11964^2 + 7930^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25752771 + ... + 25752778.

Almost surely, 2^206022196 is an apocalyptic number.

It is an amenable number.

206022196 is a deficient number, since it is larger than the sum of its proper divisors (154516654).

206022196 is a wasteful number, since it uses less digits than its factorization.

206022196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51505553 (or 51505551 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 206022196 is about 14353.4733078792. The cubic root of 206022196 is about 590.6152692928.

Adding to 206022196 its reverse (691220602), we get a palindrome (897242798).

The spelling of 206022196 in words is "two hundred six million, twenty-two thousand, one hundred ninety-six".