204620411 has 2 divisors, whose sum is σ = 204620412. Its totient is φ = 204620410.

The previous prime is 204620399. The next prime is 204620417. The reversal of 204620411 is 114026402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204620411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204620417) 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 as a sum of consecutive naturals, namely, 102310205 + 102310206.

It is an arithmetic number, because the mean of its divisors is an integer number (102310206).

Almost surely, 2^204620411 is an apocalyptic number.

204620411 is a deficient number, since it is larger than the sum of its proper divisors (1).

204620411 is an equidigital number, since it uses as much as digits as its factorization.

204620411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 204620411 is about 14304.5590984133. The cubic root of 204620411 is about 589.2726947262.

Adding to 204620411 its reverse (114026402), we get a palindrome (318646813).

The spelling of 204620411 in words is "two hundred four million, six hundred twenty thousand, four hundred eleven".