20086498771 has 2 divisors, whose sum is σ = 20086498772. Its totient is φ = 20086498770.

The previous prime is 20086498769. The next prime is 20086498777. The reversal of 20086498771 is 17789468002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20086498771 - 2¹ = 20086498769 is a prime.

Together with 20086498769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20086498777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10043249385 + 10043249386.

It is an arithmetic number, because the mean of its divisors is an integer number (10043249386).

Almost surely, 2^20086498771 is an apocalyptic number.

20086498771 is a deficient number, since it is larger than the sum of its proper divisors (1).

20086498771 is an equidigital number, since it uses as much as digits as its factorization.

20086498771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 20086498771 in words is "twenty billion, eighty-six million, four hundred ninety-eight thousand, seven hundred seventy-one".