Heat to evaporate the water in a pot

Compute the heat needed to bring to the boil and completely evaporate $0.500\mathrm{kg}$ of water initially at $20{}^{\circ }\mathrm{C}$, at atmospheric pressure ($c_a=4186J/(\mathrm{kg}\cdot \mathrm{K})$, ${\lambda }_v=2.26\cdot 10^{6}J/kg$).