320200112 has 20 divisors (see below), whose sum is σ = 647361840. Its totient is φ = 153139008.

The previous prime is 320200093. The next prime is 320200121. The reversal of 320200112 is 211002023.

It is a happy number.

It is a super-2 number, since 2×320200112² = 205056223449625088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320200093 and 320200102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434687 + ... + 435422.

It is an arithmetic number, because the mean of its divisors is an integer number (32368092).

Almost surely, 2^320200112 is an apocalyptic number.

It is an amenable number.

320200112 is an abundant number, since it is smaller than the sum of its proper divisors (327161728).

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

320200112 is a wasteful number, since it uses less digits than its factorization.

320200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870140 (or 870134 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 320200112 is about 17894.1362462679. The cubic root of 320200112 is about 684.1329267551.

Adding to 320200112 its reverse (211002023), we get a palindrome (531202135).

The spelling of 320200112 in words is "three hundred twenty million, two hundred thousand, one hundred twelve".