Based on an estimated $0.7–$2 CPM, this video's 20.8M views translate to an estimated $14.5K – $41.6K in lifetime ad revenue.
Revenue estimate
Based on an estimated $0.7–$2CPM (revenue per 1,000 views) — a rough public estimate, not actual creator earnings, which depend on ad rates, audience geography, and monetization settings YouTube doesn't expose publicly.
Total (all-time)$14.5K – $41.6K