380020211 has 2 divisors, whose sum is σ = 380020212. Its totient is φ = 380020210.

The previous prime is 380020189. The next prime is 380020213. The reversal of 380020211 is 112020083.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380020211 is a prime.

Together with 380020213, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 380020211.

It is not a weakly prime, because it can be changed into another prime (380020213) 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, 190010105 + 190010106.

It is an arithmetic number, because the mean of its divisors is an integer number (190010106).

Almost surely, 2^380020211 is an apocalyptic number.

380020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

380020211 is an equidigital number, since it uses as much as digits as its factorization.

380020211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 380020211 is about 19494.1070839369. The cubic root of 380020211 is about 724.3284854705.

Adding to 380020211 its reverse (112020083), we get a palindrome (492040294).

The spelling of 380020211 in words is "three hundred eighty million, twenty thousand, two hundred eleven".