206602055 has 12 divisors (see below), whose sum is σ = 272510616. Its totient is φ = 150255600.

The previous prime is 206602051. The next prime is 206602063. The reversal of 206602055 is 550206602.

It is a happy number.

It is not a de Polignac number, because 206602055 - 2² = 206602051 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 (206602051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170141 + ... + 171350.

It is an arithmetic number, because the mean of its divisors is an integer number (22709218).

Almost surely, 2^206602055 is an apocalyptic number.

206602055 is a deficient number, since it is larger than the sum of its proper divisors (65908561).

206602055 is a wasteful number, since it uses less digits than its factorization.

206602055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341518 (or 341507 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 206602055 is about 14373.6583721751. The cubic root of 206602055 is about 591.1688549176.

Adding to 206602055 its reverse (550206602), we get a palindrome (756808657).

The spelling of 206602055 in words is "two hundred six million, six hundred two thousand, fifty-five".