320200122 has 96 divisors (see below), whose sum is σ = 750758400. Its totient is φ = 90715680.

The previous prime is 320200121. The next prime is 320200123. The reversal of 320200122 is 221002023.

It is an interprime number because it is at equal distance from previous prime (320200121) and next prime (320200123).

It is a junction number, because it is equal to n+sod(n) for n = 320200098 and 320200107.

It is not an unprimeable number, because it can be changed into a prime (320200121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1917283 + ... + 1917449.

It is an arithmetic number, because the mean of its divisors is an integer number (7820400).

Almost surely, 2^320200122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320200122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375379200).

320200122 is an abundant number, since it is smaller than the sum of its proper divisors (430558278).

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

320200122 is a wasteful number, since it uses less digits than its factorization.

320200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 320200122 is about 17894.1365256891. The cubic root of 320200122 is about 684.1329338770.

Adding to 320200122 its reverse (221002023), we get a palindrome (541202145).

It can be divided in two parts, 3202001 and 22, that added together give a palindrome (3202023).

The spelling of 320200122 in words is "three hundred twenty million, two hundred thousand, one hundred twenty-two".