2020221019 has 2 divisors, whose sum is σ = 2020221020. Its totient is φ = 2020221018.

The previous prime is 2020221011. The next prime is 2020221067. The reversal of 2020221019 is 9101220202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020221019 - 2³ = 2020221011 is a prime.

It is a super-2 number, since 2×2020221019² = 8162585931218796722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020220987 and 2020221005.

It is not a weakly prime, because it can be changed into another prime (2020221011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010110509 + 1010110510.

It is an arithmetic number, because the mean of its divisors is an integer number (1010110510).

Almost surely, 2^2020221019 is an apocalyptic number.

2020221019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020221019 is an equidigital number, since it uses as much as digits as its factorization.

2020221019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2020221019 is about 44946.8688453378. The cubic root of 2020221019 is about 1264.1529674121.

The spelling of 2020221019 in words is "two billion, twenty million, two hundred twenty-one thousand, nineteen".