20168411 has 2 divisors, whose sum is σ = 20168412. Its totient is φ = 20168410.

The previous prime is 20168389. The next prime is 20168429. The reversal of 20168411 is 11486102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20168411 - 2⁶ = 20168347 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20168611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10084205 + 10084206.

It is an arithmetic number, because the mean of its divisors is an integer number (10084206).

Almost surely, 2^20168411 is an apocalyptic number.

20168411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20168411 is an equidigital number, since it uses as much as digits as its factorization.

20168411 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 23.

The square root of 20168411 is about 4490.9254057488. The cubic root of 20168411 is about 272.2015293879.

It can be divided in two parts, 2016 and 8411, that multiplied together give a triangular number (16956576 = T₅₈₂₃).

The spelling of 20168411 in words is "twenty million, one hundred sixty-eight thousand, four hundred eleven".