500117220 has 192 divisors, whose sum is σ = 1662716160. Its totient is φ = 124360704.

The previous prime is 500117213. The next prime is 500117231. The reversal of 500117220 is 22711005.

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 = 500117193 and 500117202.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1441087 + ... + 1441433.

It is an arithmetic number, because the mean of its divisors is an integer number (8659980).

Almost surely, 2^500117220 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 500117220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831358080).

500117220 is an abundant number, since it is smaller than the sum of its proper divisors (1162598940).

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

500117220 is a wasteful number, since it uses less digits than its factorization.

500117220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 500117220 is about 22363.3007402753. The cubic root of 500117220 is about 793.7625461881.

Adding to 500117220 its reverse (22711005), we get a palindrome (522828225).

The spelling of 500117220 in words is "five hundred million, one hundred seventeen thousand, two hundred twenty".