800220 has 24 divisors (see below), whose sum is σ = 2240784. Its totient is φ = 213376.

The previous prime is 800213. The next prime is 800221. The reversal of 800220 is 22008.

It is a Harshad number since it is a multiple of its sum of digits (12).

800220 is a modest number, since divided by 220 gives 80 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 800196 and 800205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800221) 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 7 ways as a sum of consecutive naturals, for example, 6609 + ... + 6728.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

2⁸⁰⁰²²⁰ is an apocalyptic number.

It is an amenable number.

800220 is an abundant number, since it is smaller than the sum of its proper divisors (1440564).

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

800220 is a wasteful number, since it uses less digits than its factorization.

800220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13349 (or 13347 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 800220 is about 894.5501662847. The cubic root of 800220 is about 92.8402854719.

Adding to 800220 its reverse (22008), we get a palindrome (822228).

The spelling of 800220 in words is "eight hundred thousand, two hundred twenty".