320122020 has 24 divisors (see below), whose sum is σ = 896341824. Its totient is φ = 85365856.

The previous prime is 320122007. The next prime is 320122079. The reversal of 320122020 is 20221023.

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 = 320121987 and 320122005.

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, 2667624 + ... + 2667743.

It is an arithmetic number, because the mean of its divisors is an integer number (37347576).

Almost surely, 2^320122020 is an apocalyptic number.

320122020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320122020 is an abundant number, since it is smaller than the sum of its proper divisors (576219804).

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

320122020 is a wasteful number, since it uses less digits than its factorization.

320122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335379 (or 5335377 counting only the distinct ones).

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

The square root of 320122020 is about 17891.9540576204. The cubic root of 320122020 is about 684.0773056499.

Adding to 320122020 its reverse (20221023), we get a palindrome (340343043).

The spelling of 320122020 in words is "three hundred twenty million, one hundred twenty-two thousand, twenty".