6480220 has 12 divisors (see below), whose sum is σ = 13608504. Its totient is φ = 2592080.

The previous prime is 6480193. The next prime is 6480223. The reversal of 6480220 is 220846.

It is a junction number, because it is equal to n+sod(n) for n = 6480191 and 6480200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6480223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161986 + ... + 162025.

It is an arithmetic number, because the mean of its divisors is an integer number (1134042).

Almost surely, 2^6480220 is an apocalyptic number.

It is an amenable number.

6480220 is an abundant number, since it is smaller than the sum of its proper divisors (7128284).

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

6480220 is a wasteful number, since it uses less digits than its factorization.

6480220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324020 (or 324018 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 6480220 is about 2545.6276239859. The cubic root of 6480220 is about 186.4360601826.

The spelling of 6480220 in words is "six million, four hundred eighty thousand, two hundred twenty".