I don’t have any confirmed number of units sold of Google Nexus One phone yet, but I can tell you about the estimated values based on special report prepared by Flurry, they basically monitors  the usage of more than 10,000 developer’s applications that runs on Android and iPhone platforms.

According to sales estimate prepared by Flurry, just 20,000 Nexus One phones were sold in its first week of sales on the market. They has compared the results of Nexus One with three other phones, the Google Nexus One was outsold by myTouch 3G by three times, Droid by more than twelve times and iPhone 3GS by eighty times.

The Flurry blog states about the sales of Google Nexus One report that

Flurry monitors usage of more than 10,000 developers’ applications on iPhone and Android platforms. In total, Flurry tracks applications on approximately four out of every five iPhone and Android handsets in the market, generating over 25 million end user sessions per day. To estimate first week sales totals for the Nexus One, myTouch 3G, Droid and iPhone 3GS, Flurry detected new handsets within its system, and then made adjustments to account for varying levels of Flurry application penetration by handset. Flurry additionally crosschecked its estimates against Apple actual sales, released for iPhone 3GS, which totaled more than one million units over the three days, June 19 – 21, 2009. Flurry first week sales estimates can be found in the table below.

[ Via Flurry ]