320212252 has 6 divisors (see below), whose sum is σ = 560371448. Its totient is φ = 160106124.

The previous prime is 320212247. The next prime is 320212253. The reversal of 320212252 is 252212023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320212253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40026528 + ... + 40026535.

Almost surely, 2^320212252 is an apocalyptic number.

It is an amenable number.

320212252 is a deficient number, since it is larger than the sum of its proper divisors (240159196).

320212252 is a wasteful number, since it uses less digits than its factorization.

320212252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80053067 (or 80053065 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 320212252 is about 17894.4754603201. The cubic root of 320212252 is about 684.1415726700.

Adding to 320212252 its reverse (252212023), we get a palindrome (572424275).

The spelling of 320212252 in words is "three hundred twenty million, two hundred twelve thousand, two hundred fifty-two".