204022411 has 6 divisors (see below), whose sum is σ = 204838620. Its totient is φ = 203209416.

The previous prime is 204022409. The next prime is 204022417. The reversal of 204022411 is 114220402.

It is not a de Polignac number, because 204022411 - 2¹ = 204022409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204022417) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 75400 + ... + 78058.

It is an arithmetic number, because the mean of its divisors is an integer number (34139770).

Almost surely, 2^204022411 is an apocalyptic number.

204022411 is a deficient number, since it is larger than the sum of its proper divisors (816209).

204022411 is an frugal number, since it uses more digits than its factorization.

204022411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213 (or 2936 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 204022411 is about 14283.6413774639. The cubic root of 204022411 is about 588.6980878103.

Adding to 204022411 its reverse (114220402), we get a palindrome (318242813).

The spelling of 204022411 in words is "two hundred four million, twenty-two thousand, four hundred eleven".