20927703516767 has 2 divisors, whose sum is σ = 20927703516768. Its totient is φ = 20927703516766.

The previous prime is 20927703516721. The next prime is 20927703516793. The reversal of 20927703516767 is 76761530772902.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20927703516767 - 2¹⁴ = 20927703500383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20927703510767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10463851758383 + 10463851758384.

It is an arithmetic number, because the mean of its divisors is an integer number (10463851758384).

Almost surely, 2^{20927703516767} is an apocalyptic number.

20927703516767 is a deficient number, since it is larger than the sum of its proper divisors (1).

20927703516767 is an equidigital number, since it uses as much as digits as its factorization.

20927703516767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46675440, while the sum is 62.

The spelling of 20927703516767 in words is "twenty trillion, nine hundred twenty-seven billion, seven hundred three million, five hundred sixteen thousand, seven hundred sixty-seven".