20012340501169 has 2 divisors, whose sum is σ = 20012340501170. Its totient is φ = 20012340501168.

The previous prime is 20012340501119. The next prime is 20012340501199. The reversal of 20012340501169 is 96110504321002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18388530594225 + 1623809906944 = 4288185^2 + 1274288^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012340501169 - 2²¹ = 20012338404017 is a prime.

It is a super-2 number, since 2×20012340501169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20012340501119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006170250584 + 10006170250585.

It is an arithmetic number, because the mean of its divisors is an integer number (10006170250585).

Almost surely, 2^{20012340501169} is an apocalyptic number.

It is an amenable number.

20012340501169 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012340501169 is an equidigital number, since it uses as much as digits as its factorization.

20012340501169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 20012340501169 in words is "twenty trillion, twelve billion, three hundred forty million, five hundred one thousand, one hundred sixty-nine".