20800228067 has 2 divisors, whose sum is σ = 20800228068. Its totient is φ = 20800228066.

The previous prime is 20800228027. The next prime is 20800228073. The reversal of 20800228067 is 76082200802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20800228067 - 2³⁰ = 19726486243 is a prime.

It is not a weakly prime, because it can be changed into another prime (20800228027) 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 as a sum of consecutive naturals, namely, 10400114033 + 10400114034.

It is an arithmetic number, because the mean of its divisors is an integer number (10400114034).

Almost surely, 2^20800228067 is an apocalyptic number.

20800228067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20800228067 is an equidigital number, since it uses as much as digits as its factorization.

20800228067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

Adding to 20800228067 its reverse (76082200802), we get a palindrome (96882428869).

The spelling of 20800228067 in words is "twenty billion, eight hundred million, two hundred twenty-eight thousand, sixty-seven".