720100219 has 2 divisors, whose sum is σ = 720100220. Its totient is φ = 720100218.

The previous prime is 720100211. The next prime is 720100223. The reversal of 720100219 is 912001027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 720100219 - 2³ = 720100211 is a prime.

It is a super-2 number, since 2×720100219² = 1037088650807695922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 720100219.

It is not a weakly prime, because it can be changed into another prime (720100211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360050109 + 360050110.

It is an arithmetic number, because the mean of its divisors is an integer number (360050110).

Almost surely, 2^720100219 is an apocalyptic number.

720100219 is a deficient number, since it is larger than the sum of its proper divisors (1).

720100219 is an equidigital number, since it uses as much as digits as its factorization.

720100219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 720100219 is about 26834.6831358226. The cubic root of 720100219 is about 896.3225327434.

The spelling of 720100219 in words is "seven hundred twenty million, one hundred thousand, two hundred nineteen".