20204411 has 2 divisors, whose sum is σ = 20204412. Its totient is φ = 20204410.

The previous prime is 20204389. The next prime is 20204413. The reversal of 20204411 is 11440202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20204411 is a prime.

Together with 20204413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20204413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10102205 + 10102206.

It is an arithmetic number, because the mean of its divisors is an integer number (10102206).

Almost surely, 2^20204411 is an apocalyptic number.

20204411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20204411 is an equidigital number, since it uses as much as digits as its factorization.

20204411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 20204411 is about 4494.9317013721. The cubic root of 20204411 is about 272.3633902699.

Adding to 20204411 its reverse (11440202), we get a palindrome (31644613).

The spelling of 20204411 in words is "twenty million, two hundred four thousand, four hundred eleven".