Filthy rich is disapproving idiom used to describe someone who is excessively wealthy.
19 men and one woman is also income inequality. It implies that a person's fortune is so vast and abundant that it is almost offensive con artists. "Some bring happiness wherever they go. Others, wherever they leave." Oscar Wilde
Connotations: While largely used today simply to highlight massive wealth, it can carry a subtle criticism that the person might have acquired the money unfairly or uses it in a showy, ostentatious way.
Origin: The phrase emerged in the 1920s in the United States, often used during the Great Depression to describe individuals who made fortunes—sometimes through shrewd or exploitative stock trading—while others suffered.
Narcissistic (definition: self-centered and egotistical) include stinking rich, loaded, rolling in it, and well-off.