20340134441467 has 2 divisors, whose sum is σ = 20340134441468. Its totient is φ = 20340134441466.

The previous prime is 20340134441383. The next prime is 20340134441477. The reversal of 20340134441467 is 76414443104302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20340134441467 is a prime.

It is a super-2 number, since 2×20340134441467² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20340134441477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170067220733 + 10170067220734.

It is an arithmetic number, because the mean of its divisors is an integer number (10170067220734).

Almost surely, 2^{20340134441467} is an apocalyptic number.

20340134441467 is a deficient number, since it is larger than the sum of its proper divisors (1).

20340134441467 is an equidigital number, since it uses as much as digits as its factorization.

20340134441467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 43.

Adding to 20340134441467 its reverse (76414443104302), we get a palindrome (96754577545769).

The spelling of 20340134441467 in words is "twenty trillion, three hundred forty billion, one hundred thirty-four million, four hundred forty-one thousand, four hundred sixty-seven".