20022221159 has 2 divisors, whose sum is σ = 20022221160. Its totient is φ = 20022221158.

The previous prime is 20022221143. The next prime is 20022221161. The reversal of 20022221159 is 95112222002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20022221159 - 2⁴ = 20022221143 is a prime.

Together with 20022221161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022221759) 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, 10011110579 + 10011110580.

It is an arithmetic number, because the mean of its divisors is an integer number (10011110580).

Almost surely, 2^20022221159 is an apocalyptic number.

20022221159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022221159 is an equidigital number, since it uses as much as digits as its factorization.

20022221159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 20022221159 in words is "twenty billion, twenty-two million, two hundred twenty-one thousand, one hundred fifty-nine".