12322020 has 48 divisors (see below), whose sum is σ = 36005760. Its totient is φ = 3142656.

The previous prime is 12322019. The next prime is 12322027. The reversal of 12322020 is 2022321.

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 = 12321987 and 12322005.

It is not an unprimeable number, because it can be changed into a prime (12322027) 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, 3085 + ... + 5844.

It is an arithmetic number, because the mean of its divisors is an integer number (750120).

Almost surely, 2^12322020 is an apocalyptic number.

12322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12322020 is an abundant number, since it is smaller than the sum of its proper divisors (23683740).

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

12322020 is a wasteful number, since it uses less digits than its factorization.

12322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8964 (or 8962 counting only the distinct ones).

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

The square root of 12322020 is about 3510.2734936184. The cubic root of 12322020 is about 230.9726921862.

Adding to 12322020 its reverse (2022321), we get a palindrome (14344341).

The spelling of 12322020 in words is "twelve million, three hundred twenty-two thousand, twenty".