317020 has 36 divisors (see below), whose sum is σ = 737352. Its totient is φ = 114400.

The previous prime is 317011. The next prime is 317021. The reversal of 317020 is 20713.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317020.

It is not an unprimeable number, because it can be changed into a prime (317021) by changing a digit.

317020 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2355 + ... + 2485.

It is an arithmetic number, because the mean of its divisors is an integer number (20482).

2³¹⁷⁰²⁰ 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 317020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368676).

317020 is an abundant number, since it is smaller than the sum of its proper divisors (420332).

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

317020 is a wasteful number, since it uses less digits than its factorization.

317020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 317020 is about 563.0452912511. The cubic root of 317020 is about 68.1860533396.

Adding to 317020 its reverse (20713), we get a palindrome (337733).

The spelling of 317020 in words is "three hundred seventeen thousand, twenty", and thus it is an iban number.