The charge of a particle is typically quantized, meaning it exists in discrete units rather than continuous values. In nature, the fundamental unit of charge is the charge of an electron or proton, which is approximately 1.6 x 10^(-19) coulombs. It is not possible to have a particle with a charge of exactly 2 x 10^19 coulombs because it does not correspond to a multiple of the elementary charge.
However, it is worth noting that in certain contexts, such as in particle physics and high-energy experiments, particles called muons and pions can be observed with charges that are integer multiples of the elementary charge. For example, a particle known as the doubly charged Higgs boson (H++) is hypothesized to exist, and if discovered, it would have a charge of 2e, where e is the elementary charge. This charge value is precisely twice the elementary charge.
So, while particles with charges much larger than the elementary charge are not typically observed in natural settings, there are specific theoretical scenarios and experimental contexts where particles with larger charge values can be considered.