20082264792977 has 4 divisors (see below), whose sum is σ = 20774756682420. Its totient is φ = 19389772903536.

The previous prime is 20082264792893. The next prime is 20082264793037. The reversal of 20082264792977 is 77929746228002.

It is a Cunningham number, because it is equal to 4481324²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10530648049216 + 9551616743761 = 3245096^2 + 3090569^2 .

It is a cyclic number.

It is not a de Polignac number, because 20082264792977 - 2²⁰ = 20082263744401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20082264722977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346245944678 + ... + 346245944735.

It is an arithmetic number, because the mean of its divisors is an integer number (5193689170605).

Almost surely, 2^{20082264792977} is an apocalyptic number.

It is an amenable number.

20082264792977 is a deficient number, since it is larger than the sum of its proper divisors (692491889443).

20082264792977 is an equidigital number, since it uses as much as digits as its factorization.

20082264792977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692491889442.

The product of its (nonzero) digits is 85349376, while the sum is 65.

The spelling of 20082264792977 in words is "twenty trillion, eighty-two billion, two hundred sixty-four million, seven hundred ninety-two thousand, nine hundred seventy-seven".