320022130 has 16 divisors (see below), whose sum is σ = 606358080. Its totient is φ = 121271472.

The previous prime is 320022121. The next prime is 320022137. The reversal of 320022130 is 31220023.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 320022130.

It is not an unprimeable number, because it can be changed into a prime (320022137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841974 + ... + 842353.

It is an arithmetic number, because the mean of its divisors is an integer number (37897380).

Almost surely, 2^320022130 is an apocalyptic number.

320022130 is a deficient number, since it is larger than the sum of its proper divisors (286335950).

320022130 is a wasteful number, since it uses less digits than its factorization.

320022130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684353.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 320022130 is about 17889.1623616088. The cubic root of 320022130 is about 684.0061457104.

Adding to 320022130 its reverse (31220023), we get a palindrome (351242153).

The spelling of 320022130 in words is "three hundred twenty million, twenty-two thousand, one hundred thirty".