6670220 has 24 divisors (see below), whose sum is σ = 14061600. Its totient is φ = 2657792.

The previous prime is 6670211. The next prime is 6670231. The reversal of 6670220 is 220766.

It is a happy number.

6670220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 6716 + ... + 7644.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 2^6670220 is an apocalyptic number.

It is an amenable number.

6670220 is an abundant number, since it is smaller than the sum of its proper divisors (7391380).

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

6670220 is a wasteful number, since it uses less digits than its factorization.

6670220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 6670220 is about 2582.6769058479. The cubic root of 6670220 is about 188.2406379840.

Adding to 6670220 its reverse (220766), we get a palindrome (6890986).

The spelling of 6670220 in words is "six million, six hundred seventy thousand, two hundred twenty".