20061727342697 has 2 divisors, whose sum is σ = 20061727342698. Its totient is φ = 20061727342696.

The previous prime is 20061727342667. The next prime is 20061727342711. The reversal of 20061727342697 is 79624372716002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19781821800976 + 279905541721 = 4447676^2 + 529061^2 .

It is a cyclic number.

It is not a de Polignac number, because 20061727342697 - 2⁴⁰ = 18962215714921 is a prime.

It is not a weakly prime, because it can be changed into another prime (20061727342637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030863671348 + 10030863671349.

It is an arithmetic number, because the mean of its divisors is an integer number (10030863671349).

Almost surely, 2^{20061727342697} is an apocalyptic number.

It is an amenable number.

20061727342697 is a deficient number, since it is larger than the sum of its proper divisors (1).

20061727342697 is an equidigital number, since it uses as much as digits as its factorization.

20061727342697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 20061727342697 in words is "twenty trillion, sixty-one billion, seven hundred twenty-seven million, three hundred forty-two thousand, six hundred ninety-seven".