20413154460163 has 2 divisors, whose sum is σ = 20413154460164. Its totient is φ = 20413154460162.

The previous prime is 20413154460151. The next prime is 20413154460169. The reversal of 20413154460163 is 36106445131402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20413154460163 - 2²⁵ = 20413120905731 is a prime.

It is not a weakly prime, because it can be changed into another prime (20413154460169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206577230081 + 10206577230082.

It is an arithmetic number, because the mean of its divisors is an integer number (10206577230082).

Almost surely, 2^{20413154460163} is an apocalyptic number.

20413154460163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413154460163 is an equidigital number, since it uses as much as digits as its factorization.

20413154460163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 20413154460163 its reverse (36106445131402), we get a palindrome (56519599591565).

The spelling of 20413154460163 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-four million, four hundred sixty thousand, one hundred sixty-three".