20334926626691 has 2 divisors, whose sum is σ = 20334926626692. Its totient is φ = 20334926626690.

The previous prime is 20334926626621. The next prime is 20334926626723. The reversal of 20334926626691 is 19662662943302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20334926626691 - 2³⁸ = 20060048719747 is a prime.

It is a super-2 number, since 2×20334926626691² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20334926626691.

It is not a weakly prime, because it can be changed into another prime (20334926626621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167463313345 + 10167463313346.

It is an arithmetic number, because the mean of its divisors is an integer number (10167463313346).

Almost surely, 2^{20334926626691} is an apocalyptic number.

20334926626691 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334926626691 is an equidigital number, since it uses as much as digits as its factorization.

20334926626691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30233088, while the sum is 59.

The spelling of 20334926626691 in words is "twenty trillion, three hundred thirty-four billion, nine hundred twenty-six million, six hundred twenty-six thousand, six hundred ninety-one".