206340227 has 2 divisors, whose sum is σ = 206340228. Its totient is φ = 206340226.

The previous prime is 206340223. The next prime is 206340263. The reversal of 206340227 is 722043602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206340227 - 2² = 206340223 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 206340196 and 206340205.

It is not a weakly prime, because it can be changed into another prime (206340223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103170113 + 103170114.

It is an arithmetic number, because the mean of its divisors is an integer number (103170114).

Almost surely, 2^206340227 is an apocalyptic number.

206340227 is a deficient number, since it is larger than the sum of its proper divisors (1).

206340227 is an equidigital number, since it uses as much as digits as its factorization.

206340227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 206340227 is about 14364.5475738013. The cubic root of 206340227 is about 590.9190187588.

Adding to 206340227 its reverse (722043602), we get a palindrome (928383829).

The spelling of 206340227 in words is "two hundred six million, three hundred forty thousand, two hundred twenty-seven".