320010223320 has 96 divisors (see below), whose sum is σ = 1041355663920. Its totient is φ = 85227552000.

The previous prime is 320010223301. The next prime is 320010223391. The reversal of 320010223320 is 23322010023.

It is a happy number.

320010223320 is a `hidden beast` number, since 320 + 0 + 1 + 0 + 2 + 23 + 320 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 320010223293 and 320010223302.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 281431 + ... + 848070.

Almost surely, 2^320010223320 is an apocalyptic number.

320010223320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320010223320 is an abundant number, since it is smaller than the sum of its proper divisors (721345440600).

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

320010223320 is a wasteful number, since it uses less digits than its factorization.

320010223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130305 (or 1130298 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 320010223320 its reverse (23322010023), we get a palindrome (343332233343).

The spelling of 320010223320 in words is "three hundred twenty billion, ten million, two hundred twenty-three thousand, three hundred twenty".