20413154464163 has 2 divisors, whose sum is σ = 20413154464164. Its totient is φ = 20413154464162.

The previous prime is 20413154464147. The next prime is 20413154464217. The reversal of 20413154464163 is 36146445131402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20413154464163 - 2⁴ = 20413154464147 is a prime.

It is not a weakly prime, because it can be changed into another prime (20413154464363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206577232081 + 10206577232082.

It is an arithmetic number, because the mean of its divisors is an integer number (10206577232082).

Almost surely, 2^{20413154464163} is an apocalyptic number.

20413154464163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413154464163 is an equidigital number, since it uses as much as digits as its factorization.

20413154464163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 44.

Adding to 20413154464163 its reverse (36146445131402), we get a palindrome (56559599595565).

The spelling of 20413154464163 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-four million, four hundred sixty-four thousand, one hundred sixty-three".