Upscale Flyer into Banner

I have an existing flyer that I now need printed as a much larger banner: 3,420 mm × 1,750 mm at 150 dpi (that’s 20,197 × 10,335 px). The job is simply to take the current artwork and reproduce it at this... (Budget: €8 - €30 EUR, Jobs: Adobe Creative Cloud, Adobe Illustrator, Adobe Photoshop, Banner Design, Flyer Design, Graphic Design, Photoshop, Print Design)