320220200212 has 24 divisors (see below), whose sum is σ = 643504710240. Its totient is φ = 137893865760.

The previous prime is 320220200141. The next prime is 320220200221. The reversal of 320220200212 is 212002022023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191518423 + ... + 191520094.

It is an arithmetic number, because the mean of its divisors is an integer number (26812696260).

Almost surely, 2^320220200212 is an apocalyptic number.

It is an amenable number.

320220200212 is an abundant number, since it is smaller than the sum of its proper divisors (323284510028).

320220200212 is a wasteful number, since it uses less digits than its factorization.

320220200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383038551 (or 383038549 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 320220200212 its reverse (212002022023), we get a palindrome (532222222235).

The spelling of 320220200212 in words is "three hundred twenty billion, two hundred twenty million, two hundred thousand, two hundred twelve".