Correction for the amount of a DVD
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How much is 20,000 bits?
It's about 0.0000005 times as much as a DVD
The amount of a DVD is about 40,000,000,000 bits.
(a.k.a. digital video disc) (single-side, single-layer; DVD-5 specification)
A typical capacity digital video disc will hold 40,000,000,000 bits of data. Such disks are 1.2 mm (0.047 in) thick.