20410144171 has 2 divisors, whose sum is σ = 20410144172. Its totient is φ = 20410144170.

The previous prime is 20410144169. The next prime is 20410144217. The reversal of 20410144171 is 17144101402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20410144171 - 2¹ = 20410144169 is a prime.

Together with 20410144169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20410144141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205072085 + 10205072086.

It is an arithmetic number, because the mean of its divisors is an integer number (10205072086).

Almost surely, 2^20410144171 is an apocalyptic number.

20410144171 is a deficient number, since it is larger than the sum of its proper divisors (1).

20410144171 is an equidigital number, since it uses as much as digits as its factorization.

20410144171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 20410144171 its reverse (17144101402), we get a palindrome (37554245573).

The spelling of 20410144171 in words is "twenty billion, four hundred ten million, one hundred forty-four thousand, one hundred seventy-one".