20822358019 has 2 divisors, whose sum is σ = 20822358020. Its totient is φ = 20822358018.

The previous prime is 20822357903. The next prime is 20822358041. The reversal of 20822358019 is 91085322802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20822358019 - 2²⁵ = 20788803587 is a prime.

It is a super-2 number, since 2×20822358019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20822356019) 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 as a sum of consecutive naturals, namely, 10411179009 + 10411179010.

It is an arithmetic number, because the mean of its divisors is an integer number (10411179010).

Almost surely, 2^20822358019 is an apocalyptic number.

20822358019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20822358019 is an equidigital number, since it uses as much as digits as its factorization.

20822358019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 20822358019 in words is "twenty billion, eight hundred twenty-two million, three hundred fifty-eight thousand, nineteen".