806680220 has 12 divisors (see below), whose sum is σ = 1694028504. Its totient is φ = 322672080.

The previous prime is 806680213. The next prime is 806680267. The reversal of 806680220 is 22086608.

It is a happy number.

It is a congruent number.

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, 20166986 + ... + 20167025.

It is an arithmetic number, because the mean of its divisors is an integer number (141169042).

Almost surely, 2^806680220 is an apocalyptic number.

It is an amenable number.

806680220 is an abundant number, since it is smaller than the sum of its proper divisors (887348284).

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

806680220 is a wasteful number, since it uses less digits than its factorization.

806680220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40334020 (or 40334018 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 806680220 is about 28402.1164704323. The cubic root of 806680220 is about 930.8945106824.

The spelling of 806680220 in words is "eight hundred six million, six hundred eighty thousand, two hundred twenty".