206347055 has 16 divisors (see below), whose sum is σ = 254505888. Its totient is φ = 160512000.

The previous prime is 206347051. The next prime is 206347081. The reversal of 206347055 is 550743602.

It is not a de Polignac number, because 206347055 - 2² = 206347051 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 (206347051) 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, 66335 + ... + 69375.

It is an arithmetic number, because the mean of its divisors is an integer number (15906618).

Almost surely, 2^206347055 is an apocalyptic number.

206347055 is a deficient number, since it is larger than the sum of its proper divisors (48158833).

206347055 is a wasteful number, since it uses less digits than its factorization.

206347055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 206347055 is about 14364.7852403021. The cubic root of 206347055 is about 590.9255367164.

The spelling of 206347055 in words is "two hundred six million, three hundred forty-seven thousand, fifty-five".