20413154464147 has 2 divisors, whose sum is σ = 20413154464148. Its totient is φ = 20413154464146.

The previous prime is 20413154464127. The next prime is 20413154464163. The reversal of 20413154464147 is 74146445131402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20413154464147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20413154464097 and 20413154464106.

It is not a weakly prime, because it can be changed into another prime (20413154464127) 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, 10206577232073 + 10206577232074.

It is an arithmetic number, because the mean of its divisors is an integer number (10206577232074).

Almost surely, 2^{20413154464147} is an apocalyptic number.

20413154464147 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413154464147 is an equidigital number, since it uses as much as digits as its factorization.

20413154464147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 46.

Adding to 20413154464147 its reverse (74146445131402), we get a palindrome (94559599595549).

The spelling of 20413154464147 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-four million, four hundred sixty-four thousand, one hundred forty-seven".