20080945219 has 2 divisors, whose sum is σ = 20080945220. Its totient is φ = 20080945218.

The previous prime is 20080945189. The next prime is 20080945243. The reversal of 20080945219 is 91254908002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20080945219 - 2⁵ = 20080945187 is a prime.

It is a super-2 number, since 2×20080945219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20080945279) 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, 10040472609 + 10040472610.

It is an arithmetic number, because the mean of its divisors is an integer number (10040472610).

Almost surely, 2^20080945219 is an apocalyptic number.

20080945219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20080945219 is an equidigital number, since it uses as much as digits as its factorization.

20080945219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 20080945219 in words is "twenty billion, eighty million, nine hundred forty-five thousand, two hundred nineteen".