206238255 has 32 divisors (see below), whose sum is σ = 353072640. Its totient is φ = 102487680.

The previous prime is 206238247. The next prime is 206238287. The reversal of 206238255 is 552832602.

It is not a de Polignac number, because 206238255 - 2³ = 206238247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11454 + ... + 23316.

It is an arithmetic number, because the mean of its divisors is an integer number (11033520).

Almost surely, 2^206238255 is an apocalyptic number.

206238255 is a deficient number, since it is larger than the sum of its proper divisors (146834385).

206238255 is a wasteful number, since it uses less digits than its factorization.

206238255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 206238255 is about 14360.9977021097. The cubic root of 206238255 is about 590.8216599386.

The spelling of 206238255 in words is "two hundred six million, two hundred thirty-eight thousand, two hundred fifty-five".