802180 has 24 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 303840.

The previous prime is 802177. The next prime is 802181. The reversal of 802180 is 81208.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (802181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676 + ... + 1435.

It is an arithmetic number, because the mean of its divisors is an integer number (73920).

2⁸⁰²¹⁸⁰ is an apocalyptic number.

It is an amenable number.

802180 is an abundant number, since it is smaller than the sum of its proper divisors (971900).

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

802180 is a wasteful number, since it uses less digits than its factorization.

802180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 2137 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 802180 is about 895.6450189668. The cubic root of 802180 is about 92.9160223925.

Adding to 802180 its reverse (81208), we get a palindrome (883388).

The spelling of 802180 in words is "eight hundred two thousand, one hundred eighty".