The irs accepted my return on 4/15/2020 an online said its on its way

Accepted only means the IRS verified some basic info on it so they know it's really from you.  After it is Accepted the IRS processes it then approves it before they send the refund.

What does Accepted mean

https://ttlc.intuit.com/community/return-status/help/what-does-accepted-mean/01/26285

What happens after your return is accepted

https://ttlc.intuit.com/community/return-status/help/my-return-got-accepted-what-happens-next/00/26517

When will you get your refund?

https://ttlc.intuit.com/community/refund-status/help/when-will-i-get-my-irs-tax-refund/01/25589

IRS - Questions about Refunds

https://www.irs.gov/refunds/tax-season-refund-frequently-asked-questions