20568036736027 has 16 divisors (see below), whose sum is σ = 22446743004000. Its totient is φ = 18690812477440.

The previous prime is 20568036735991. The next prime is 20568036736057. The reversal of 20568036736027 is 72063763086502.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20568036736027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20568036736057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451337499 + ... + 451383067.

It is an arithmetic number, because the mean of its divisors is an integer number (1402921437750).

Almost surely, 2^{20568036736027} is an apocalyptic number.

20568036736027 is a deficient number, since it is larger than the sum of its proper divisors (1878706267973).

20568036736027 is a wasteful number, since it uses less digits than its factorization.

20568036736027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60926.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 20568036736027 in words is "twenty trillion, five hundred sixty-eight billion, thirty-six million, seven hundred thirty-six thousand, twenty-seven".