320020112330 has 64 divisors (see below), whose sum is σ = 629861971968. Its totient is φ = 116542433280.

The previous prime is 320020112327. The next prime is 320020112389. The reversal of 320020112330 is 33211020023.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 320020112299 and 320020112308.

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 31 ways as a sum of consecutive naturals, for example, 13864379 + ... + 13887441.

It is an arithmetic number, because the mean of its divisors is an integer number (9841593312).

Almost surely, 2^320020112330 is an apocalyptic number.

320020112330 is a deficient number, since it is larger than the sum of its proper divisors (309841859638).

320020112330 is a wasteful number, since it uses less digits than its factorization.

320020112330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25751.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 320020112330 its reverse (33211020023), we get a palindrome (353231132353).

The spelling of 320020112330 in words is "three hundred twenty billion, twenty million, one hundred twelve thousand, three hundred thirty".