800500320 has 168 divisors, whose sum is σ = 2835889056. Its totient is φ = 213435648.

The previous prime is 800500313. The next prime is 800500331. The reversal of 800500320 is 23005008.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 800500293 and 800500302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 113209 + ... + 120071.

It is an arithmetic number, because the mean of its divisors is an integer number (16880292).

Almost surely, 2^800500320 is an apocalyptic number.

800500320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800500320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417944528).

800500320 is an abundant number, since it is smaller than the sum of its proper divisors (2035388736).

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

800500320 is an equidigital number, since it uses as much as digits as its factorization.

800500320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896 (or 6873 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 800500320 is about 28293.1143566770. The cubic root of 800500320 is about 928.5112497038.

Adding to 800500320 its reverse (23005008), we get a palindrome (823505328).

The spelling of 800500320 in words is "eight hundred million, five hundred thousand, three hundred twenty".