205036227 has 12 divisors (see below), whose sum is σ = 323087544. Its totient is φ = 124264320.

The previous prime is 205036213. The next prime is 205036261. The reversal of 205036227 is 722630502.

It is not a de Polignac number, because 205036227 - 2¹⁰ = 205035203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205036227.

It is not an unprimeable number, because it can be changed into a prime (205036207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035438 + ... + 1035635.

It is an arithmetic number, because the mean of its divisors is an integer number (26923962).

Almost surely, 2^205036227 is an apocalyptic number.

205036227 is a deficient number, since it is larger than the sum of its proper divisors (118051317).

205036227 is a wasteful number, since it uses less digits than its factorization.

205036227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071090 (or 2071087 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 205036227 is about 14319.0861091063. The cubic root of 205036227 is about 589.6715849176.

Adding to 205036227 its reverse (722630502), we get a palindrome (927666729).

The spelling of 205036227 in words is "two hundred five million, thirty-six thousand, two hundred twenty-seven".