206340254 has 16 divisors (see below), whose sum is σ = 328193856. Its totient is φ = 96960000.

The previous prime is 206340227. The next prime is 206340263. The reversal of 206340254 is 452043602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21494 + ... + 29574.

It is an arithmetic number, because the mean of its divisors is an integer number (20512116).

Almost surely, 2^206340254 is an apocalyptic number.

206340254 is a deficient number, since it is larger than the sum of its proper divisors (121853602).

206340254 is a wasteful number, since it uses less digits than its factorization.

206340254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8851.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 206340254 is about 14364.5485136150. The cubic root of 206340254 is about 590.9190445331.

Adding to 206340254 its reverse (452043602), we get a palindrome (658383856).

The spelling of 206340254 in words is "two hundred six million, three hundred forty thousand, two hundred fifty-four".