808220 has 48 divisors (see below), whose sum is σ = 2032128. Its totient is φ = 264000.

The previous prime is 808217. The next prime is 808229. The reversal of 808220 is 22808.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 808192 and 808201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3095 + ... + 3345.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2⁸⁰⁸²²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016064).

808220 is an abundant number, since it is smaller than the sum of its proper divisors (1223908).

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

808220 is a wasteful number, since it uses less digits than its factorization.

808220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 808220 is about 899.0105672349. The cubic root of 808220 is about 93.1486427066.

The spelling of 808220 in words is "eight hundred eight thousand, two hundred twenty".