320022120 has 64 divisors (see below), whose sum is σ = 1047349440. Its totient is φ = 77580800.

The previous prime is 320022119. The next prime is 320022121. The reversal of 320022120 is 21220023.

It is an interprime number because it is at equal distance from previous prime (320022119) and next prime (320022121).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 320022096 and 320022105.

It is not an unprimeable number, because it can be changed into a prime (320022121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119901 + ... + 122540.

It is an arithmetic number, because the mean of its divisors is an integer number (16364835).

Almost surely, 2^320022120 is an apocalyptic number.

320022120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320022120 is an abundant number, since it is smaller than the sum of its proper divisors (727327320).

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

320022120 is a wasteful number, since it uses less digits than its factorization.

320022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242466 (or 242462 counting only the distinct ones).

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

The square root of 320022120 is about 17889.1620821099. The cubic root of 320022120 is about 684.0061385859.

Adding to 320022120 its reverse (21220023), we get a palindrome (341242143).

The spelling of 320022120 in words is "three hundred twenty million, twenty-two thousand, one hundred twenty".