20067688196029 has 2 divisors, whose sum is σ = 20067688196030. Its totient is φ = 20067688196028.

The previous prime is 20067688195993. The next prime is 20067688196047. The reversal of 20067688196029 is 92069188676002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17716059812025 + 2351628384004 = 4209045^2 + 1533502^2 .

It is a cyclic number.

It is not a de Polignac number, because 20067688196029 - 2³⁵ = 20033328457661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20067688196069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10033844098014 + 10033844098015.

It is an arithmetic number, because the mean of its divisors is an integer number (10033844098015).

Almost surely, 2^{20067688196029} is an apocalyptic number.

It is an amenable number.

20067688196029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20067688196029 is an equidigital number, since it uses as much as digits as its factorization.

20067688196029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 20067688196029 in words is "twenty trillion, sixty-seven billion, six hundred eighty-eight million, one hundred ninety-six thousand, twenty-nine".