Is 20,000 bits as much as a Compact Disc?
It's about one-three-hundred-thousandth as much as a Compact Disc
The amount of a Compact Disc is about 6,185,000,000 bits.
(80-minute, 360,000 sector disc; "Red Book" specifications)
A typical, 80-minute capacity compact disc, commonly known as a 5,872,000,000 bits disc will actually hold 6,185,000,000 bits of data. Such disks are 1.2 mm (0.047 in) thick.
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