20770672716271 has 2 divisors, whose sum is σ = 20770672716272. Its totient is φ = 20770672716270.

The previous prime is 20770672716221. The next prime is 20770672716341. The reversal of 20770672716271 is 17261727607702.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20770672716271 - 2³³ = 20762082781679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20770672716221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10385336358135 + 10385336358136.

It is an arithmetic number, because the mean of its divisors is an integer number (10385336358136).

Almost surely, 2^{20770672716271} is an apocalyptic number.

20770672716271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20770672716271 is an equidigital number, since it uses as much as digits as its factorization.

20770672716271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4840416, while the sum is 55.

The spelling of 20770672716271 in words is "twenty trillion, seven hundred seventy billion, six hundred seventy-two million, seven hundred sixteen thousand, two hundred seventy-one".