320220419 has 2 divisors, whose sum is σ = 320220420. Its totient is φ = 320220418.

The previous prime is 320220401. The next prime is 320220427. The reversal of 320220419 is 914022023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320220419 is a prime.

It is a super-2 number, since 2×320220419² = 205082233489071122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320220394 and 320220403.

It is not a weakly prime, because it can be changed into another prime (320220469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160110209 + 160110210.

It is an arithmetic number, because the mean of its divisors is an integer number (160110210).

Almost surely, 2^320220419 is an apocalyptic number.

320220419 is a deficient number, since it is larger than the sum of its proper divisors (1).

320220419 is an equidigital number, since it uses as much as digits as its factorization.

320220419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 320220419 is about 17894.7036577866. The cubic root of 320220419 is about 684.1473889546.

The spelling of 320220419 in words is "three hundred twenty million, two hundred twenty thousand, four hundred nineteen".