220201019 has 2 divisors, whose sum is σ = 220201020. Its totient is φ = 220201018.

The previous prime is 220200997. The next prime is 220201043. The reversal of 220201019 is 910102022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220201019 - 2⁸ = 220200763 is a prime.

It is a super-2 number, since 2×220201019² = 96976977537276722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 220200988 and 220201006.

It is not a weakly prime, because it can be changed into another prime (220201049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100509 + 110100510.

It is an arithmetic number, because the mean of its divisors is an integer number (110100510).

Almost surely, 2^220201019 is an apocalyptic number.

220201019 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201019 is an equidigital number, since it uses as much as digits as its factorization.

220201019 is an odious number, because the sum of its binary digits is odd.

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

The square root of 220201019 is about 14839.1717760797. The cubic root of 220201019 is about 603.8648834131.

The spelling of 220201019 in words is "two hundred twenty million, two hundred one thousand, nineteen".