204043211 has 4 divisors (see below), whose sum is σ = 204077952. Its totient is φ = 204008472.

The previous prime is 204043193. The next prime is 204043241. The reversal of 204043211 is 112340402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204043211 - 2¹⁴ = 204026827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204043211.

It is not an unprimeable number, because it can be changed into a prime (204043241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6140 + ... + 21113.

It is an arithmetic number, because the mean of its divisors is an integer number (51019488).

Almost surely, 2^204043211 is an apocalyptic number.

204043211 is a deficient number, since it is larger than the sum of its proper divisors (34741).

204043211 is an equidigital number, since it uses as much as digits as its factorization.

204043211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34740.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204043211 is about 14284.3694645581. The cubic root of 204043211 is about 588.7180929723.

Adding to 204043211 its reverse (112340402), we get a palindrome (316383613).

The spelling of 204043211 in words is "two hundred four million, forty-three thousand, two hundred eleven".