320022020 has 24 divisors (see below), whose sum is σ = 678331584. Its totient is φ = 126811616.

The previous prime is 320022011. The next prime is 320022061. The reversal of 320022020 is 20220023.

320022020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 320021992 and 320022010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72632 + ... + 76911.

It is an arithmetic number, because the mean of its divisors is an integer number (28263816).

Almost surely, 2^320022020 is an apocalyptic number.

It is an amenable number.

320022020 is an abundant number, since it is smaller than the sum of its proper divisors (358309564).

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

320022020 is a wasteful number, since it uses less digits than its factorization.

320022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149659 (or 149657 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 320022020 is about 17889.1592871213. The cubic root of 320022020 is about 684.0060673401.

Adding to 320022020 its reverse (20220023), we get a palindrome (340242043).

The spelling of 320022020 in words is "three hundred twenty million, twenty-two thousand, twenty".