How many bit is 20 B?
20 B = 160 bit
It is 160 bit, so saying 160 bit is fine — rounding is within 0.5%.
And how many B is 20 bit?
20 bit = 2.5 B
Formula: bit = B × 8
B to bit around this value
2 B16bit
4 B32bit
6 B48bit
8 B64bit
10 B80bit
12 B96bit
14 B112bit
16 B128bit
18 B144bit
20 B160bit
22 B176bit
24 B192bit
26 B208bit
28 B224bit
30 B240bit
32 B256bit
34 B272bit
36 B288bit
38 B304bit
40 B320bit