2001320219 has 2 divisors, whose sum is σ = 2001320220. Its totient is φ = 2001320218.

The previous prime is 2001320213. The next prime is 2001320231. The reversal of 2001320219 is 9120231002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001320219 - 2⁴ = 2001320203 is a prime.

It is a super-2 number, since 2×2001320219² = 8010565237956415922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2001320219.

It is not a weakly prime, because it can be changed into another prime (2001320213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000660109 + 1000660110.

It is an arithmetic number, because the mean of its divisors is an integer number (1000660110).

Almost surely, 2^2001320219 is an apocalyptic number.

2001320219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001320219 is an equidigital number, since it uses as much as digits as its factorization.

2001320219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2001320219 is about 44736.1176120593. The cubic root of 2001320219 is about 1260.1982175349.

The spelling of 2001320219 in words is "two billion, one million, three hundred twenty thousand, two hundred nineteen".