500320220 has 12 divisors (see below), whose sum is σ = 1050672504. Its totient is φ = 200128080.

The previous prime is 500320157. The next prime is 500320241. The reversal of 500320220 is 22023005.

It is a junction number, because it is equal to n+sod(n) for n = 500320195 and 500320204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12507986 + ... + 12508025.

It is an arithmetic number, because the mean of its divisors is an integer number (87556042).

Almost surely, 2^500320220 is an apocalyptic number.

It is an amenable number.

500320220 is an abundant number, since it is smaller than the sum of its proper divisors (550352284).

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

500320220 is a wasteful number, since it uses less digits than its factorization.

500320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25016020 (or 25016018 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 500320220 is about 22367.8389658009. The cubic root of 500320220 is about 793.8699290134.

Adding to 500320220 its reverse (22023005), we get a palindrome (522343225).

The spelling of 500320220 in words is "five hundred million, three hundred twenty thousand, two hundred twenty".