20346502665127 has 2 divisors, whose sum is σ = 20346502665128. Its totient is φ = 20346502665126.

The previous prime is 20346502665077. The next prime is 20346502665163. The reversal of 20346502665127 is 72156620564302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20346502665127 - 2¹¹ = 20346502663079 is a prime.

It is a super-2 number, since 2×20346502665127² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20346502665187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10173251332563 + 10173251332564.

It is an arithmetic number, because the mean of its divisors is an integer number (10173251332564).

Almost surely, 2^{20346502665127} is an apocalyptic number.

20346502665127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20346502665127 is an equidigital number, since it uses as much as digits as its factorization.

20346502665127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 20346502665127 in words is "twenty trillion, three hundred forty-six billion, five hundred two million, six hundred sixty-five thousand, one hundred twenty-seven".