20227000889 has 2 divisors, whose sum is σ = 20227000890. Its totient is φ = 20227000888.

The previous prime is 20227000873. The next prime is 20227000891. The reversal of 20227000889 is 98800072202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20027061289 + 199939600 = 141517^2 + 14140^2 .

It is a cyclic number.

It is not a de Polignac number, because 20227000889 - 2⁴ = 20227000873 is a prime.

Together with 20227000891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20227000289) 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, 10113500444 + 10113500445.

It is an arithmetic number, because the mean of its divisors is an integer number (10113500445).

Almost surely, 2^20227000889 is an apocalyptic number.

It is an amenable number.

20227000889 is a deficient number, since it is larger than the sum of its proper divisors (1).

20227000889 is an equidigital number, since it uses as much as digits as its factorization.

20227000889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 20227000889 in words is "twenty billion, two hundred twenty-seven million, eight hundred eighty-nine", and thus it is an aban number.