320202252 has 72 divisors (see below), whose sum is σ = 835074240. Its totient is φ = 103390560.

The previous prime is 320202221. The next prime is 320202257. The reversal of 320202252 is 252202023.

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

It is not an unprimeable number, because it can be changed into a prime (320202257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201999 + ... + 203577.

Almost surely, 2^320202252 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 320202252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417537120).

320202252 is an abundant number, since it is smaller than the sum of its proper divisors (514871988).

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

320202252 is a wasteful number, since it uses less digits than its factorization.

320202252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 320202252 is about 17894.1960422926. The cubic root of 320202252 is about 684.1344508449.

Adding to 320202252 its reverse (252202023), we get a palindrome (572404275).

The spelling of 320202252 in words is "three hundred twenty million, two hundred two thousand, two hundred fifty-two".