6620002 has 16 divisors (see below), whose sum is σ = 10183680. Its totient is φ = 3226608.

The previous prime is 6619981. The next prime is 6620011. The reversal of 6620002 is 2000266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16824 + ... + 17212.

It is an arithmetic number, because the mean of its divisors is an integer number (636480).

Almost surely, 2^6620002 is an apocalyptic number.

6620002 is a deficient number, since it is larger than the sum of its proper divisors (3563678).

6620002 is a wasteful number, since it uses less digits than its factorization.

6620002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 6620002 is about 2572.9364547147. The cubic root of 6620002 is about 187.7670458512.

Adding to 6620002 its reverse (2000266), we get a palindrome (8620268).

The spelling of 6620002 in words is "six million, six hundred twenty thousand, two".