20940569413067 has 2 divisors, whose sum is σ = 20940569413068. Its totient is φ = 20940569413066.

The previous prime is 20940569413051. The next prime is 20940569413121. The reversal of 20940569413067 is 76031496504902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20940569413067 - 2⁴ = 20940569413051 is a prime.

It is not a weakly prime, because it can be changed into another prime (20940569413667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10470284706533 + 10470284706534.

It is an arithmetic number, because the mean of its divisors is an integer number (10470284706534).

Almost surely, 2^{20940569413067} is an apocalyptic number.

20940569413067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20940569413067 is an equidigital number, since it uses as much as digits as its factorization.

20940569413067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 20940569413067 in words is "twenty trillion, nine hundred forty billion, five hundred sixty-nine million, four hundred thirteen thousand, sixty-seven".