Megastar Amitabh Bachchan has amassed 16 million followers on micro-blogging website Twitter.

The 72-year-old, who has delivered some exceptional movies like "Deewaar", "Namak Halaal" and "Coolie", is now aiming for 20 million fans.

"#AB16Million ... TRENDING!! #AB16MILLION #AB16MILLION #AB16MILLION #AB16MILLION ... ALRIGHT ... time to get to 20 million now!!," Amitabh tweeted on Monday.

The "Paa" actor is very active on social media platforms and uses the medium to share updates about his personal and professional lives with his fans and well-wishers.

The "Agneepath" star was last seen on the big screen in the 2015 film "Piku", directed by Shoojit Sircar.