1020200219 has 2 divisors, whose sum is σ = 1020200220. Its totient is φ = 1020200218.

The previous prime is 1020200201. The next prime is 1020200221. The reversal of 1020200219 is 9120020201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020200219 - 2⁸ = 1020199963 is a prime.

It is a super-2 number, since 2×1020200219² = 2081616973695295922, which contains 22 as substring.

Together with 1020200221, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020200197 and 1020200206.

It is not a weakly prime, because it can be changed into another prime (1020200239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510100109 + 510100110.

It is an arithmetic number, because the mean of its divisors is an integer number (510100110).

Almost surely, 2^1020200219 is an apocalyptic number.

1020200219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020200219 is an equidigital number, since it uses as much as digits as its factorization.

1020200219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1020200219 is about 31940.5732415685. The cubic root of 1020200219 is about 1006.6885696276.

The spelling of 1020200219 in words is "one billion, twenty million, two hundred thousand, two hundred nineteen".