20773667067 has 4 divisors (see below), whose sum is σ = 27698222760. Its totient is φ = 13849111376.

The previous prime is 20773667023. The next prime is 20773667077. The reversal of 20773667067 is 76076637702.

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 20773667067 - 2⁶ = 20773667003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20773667017) 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, 3462277842 + ... + 3462277847.

It is an arithmetic number, because the mean of its divisors is an integer number (6924555690).

Almost surely, 2^20773667067 is an apocalyptic number.

20773667067 is a deficient number, since it is larger than the sum of its proper divisors (6924555693).

20773667067 is an equidigital number, since it uses as much as digits as its factorization.

20773667067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924555692.

The product of its (nonzero) digits is 3111696, while the sum is 51.

The spelling of 20773667067 in words is "twenty billion, seven hundred seventy-three million, six hundred sixty-seven thousand, sixty-seven".