20773892267 has 4 divisors (see below), whose sum is σ = 21444017856. Its totient is φ = 20103766680.

The previous prime is 20773892233. The next prime is 20773892273. The reversal of 20773892267 is 76229837702.

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

It is a cyclic number.

It is not a de Polignac number, because 20773892267 - 2¹⁸ = 20773630123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20773892207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335062748 + ... + 335062809.

It is an arithmetic number, because the mean of its divisors is an integer number (5361004464).

Almost surely, 2^20773892267 is an apocalyptic number.

20773892267 is a deficient number, since it is larger than the sum of its proper divisors (670125589).

20773892267 is an equidigital number, since it uses as much as digits as its factorization.

20773892267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670125588.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 20773892267 in words is "twenty billion, seven hundred seventy-three million, eight hundred ninety-two thousand, two hundred sixty-seven".