20413411171 has 2 divisors, whose sum is σ = 20413411172. Its totient is φ = 20413411170.

The previous prime is 20413411169. The next prime is 20413411177. The reversal of 20413411171 is 17111431402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20413411171 - 2¹ = 20413411169 is a prime.

Together with 20413411169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20413411177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206705585 + 10206705586.

It is an arithmetic number, because the mean of its divisors is an integer number (10206705586).

Almost surely, 2^20413411171 is an apocalyptic number.

20413411171 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413411171 is an equidigital number, since it uses as much as digits as its factorization.

20413411171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 20413411171 its reverse (17111431402), we get a palindrome (37524842573).

The spelling of 20413411171 in words is "twenty billion, four hundred thirteen million, four hundred eleven thousand, one hundred seventy-one".