6609222020 has 12 divisors (see below), whose sum is σ = 13879366284. Its totient is φ = 2643688800.

The previous prime is 6609222007. The next prime is 6609222031. The reversal of 6609222020 is 202229066.

It can be written as a sum of positive squares in 2 ways, for example, as 4610953216 + 1998268804 = 67904^2 + 44702^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165230531 + ... + 165230570.

It is an arithmetic number, because the mean of its divisors is an integer number (1156613857).

Almost surely, 2^6609222020 is an apocalyptic number.

It is an amenable number.

6609222020 is an abundant number, since it is smaller than the sum of its proper divisors (7270144264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6609222020 is a wasteful number, since it uses less digits than its factorization.

6609222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330461110 (or 330461108 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6609222020 is about 81297.1218432731. The cubic root of 6609222020 is about 1876.6507082231.

The spelling of 6609222020 in words is "six billion, six hundred nine million, two hundred twenty-two thousand, twenty".