20068068401 has 2 divisors, whose sum is σ = 20068068402. Its totient is φ = 20068068400.

The previous prime is 20068068379. The next prime is 20068068409. The reversal of 20068068401 is 10486086002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14142917776 + 5925150625 = 118924^2 + 76975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20068068401 is a prime.

It is not a weakly prime, because it can be changed into another prime (20068068409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10034034200 + 10034034201.

It is an arithmetic number, because the mean of its divisors is an integer number (10034034201).

Almost surely, 2^20068068401 is an apocalyptic number.

It is an amenable number.

20068068401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20068068401 is an equidigital number, since it uses as much as digits as its factorization.

20068068401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 20068068401 in words is "twenty billion, sixty-eight million, sixty-eight thousand, four hundred one".