20075071403663 has 2 divisors, whose sum is σ = 20075071403664. Its totient is φ = 20075071403662.

The previous prime is 20075071403641. The next prime is 20075071403687. The reversal of 20075071403663 is 36630417057002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20075071403663 - 2²⁶ = 20075004294799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20075071403963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10037535701831 + 10037535701832.

It is an arithmetic number, because the mean of its divisors is an integer number (10037535701832).

Almost surely, 2^{20075071403663} is an apocalyptic number.

20075071403663 is a deficient number, since it is larger than the sum of its proper divisors (1).

20075071403663 is an equidigital number, since it uses as much as digits as its factorization.

20075071403663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 20075071403663 in words is "twenty trillion, seventy-five billion, seventy-one million, four hundred three thousand, six hundred sixty-three".