12322020020 has 12 divisors (see below), whose sum is σ = 25876242084. Its totient is φ = 4928808000.

The previous prime is 12322020013. The next prime is 12322020031. The reversal of 12322020020 is 2002022321.

It can be written as a sum of positive squares in 2 ways, for example, as 1306677904 + 11015342116 = 36148^2 + 104954^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12322019977 and 12322020004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308050481 + ... + 308050520.

It is an arithmetic number, because the mean of its divisors is an integer number (2156353507).

Almost surely, 2^12322020020 is an apocalyptic number.

12322020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12322020020 is an abundant number, since it is smaller than the sum of its proper divisors (13554222064).

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

12322020020 is a wasteful number, since it uses less digits than its factorization.

12322020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616101010 (or 616101008 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 12322020020 its reverse (2002022321), we get a palindrome (14324042341).

The spelling of 12322020020 in words is "twelve billion, three hundred twenty-two million, twenty thousand, twenty".