20146707000691 has 2 divisors, whose sum is σ = 20146707000692. Its totient is φ = 20146707000690.

The previous prime is 20146707000643. The next prime is 20146707000733. The reversal of 20146707000691 is 19600070764102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20146707000691 - 2¹¹ = 20146706998643 is a prime.

It is not a weakly prime, because it can be changed into another prime (20146707000601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10073353500345 + 10073353500346.

It is an arithmetic number, because the mean of its divisors is an integer number (10073353500346).

Almost surely, 2^{20146707000691} is an apocalyptic number.

20146707000691 is a deficient number, since it is larger than the sum of its proper divisors (1).

20146707000691 is an equidigital number, since it uses as much as digits as its factorization.

20146707000691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

Adding to 20146707000691 its reverse (19600070764102), we get a palindrome (39746777764793).

The spelling of 20146707000691 in words is "twenty trillion, one hundred forty-six billion, seven hundred seven million, six hundred ninety-one", and thus it is an aban number.