20321244000012 has 24 divisors (see below), whose sum is σ = 47416874315776. Its totient is φ = 6773656812048.

The previous prime is 20321243999993. The next prime is 20321244000019. The reversal of 20321244000012 is 21000044212302.

It is not an unprimeable number, because it can be changed into a prime (20321244000019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10466908 + ... + 12255555.

Almost surely, 2^{20321244000012} is an apocalyptic number.

It is an amenable number.

20321244000012 is an abundant number, since it is smaller than the sum of its proper divisors (27095630315764).

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

20321244000012 is a wasteful number, since it uses less digits than its factorization.

20321244000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22796997 (or 22796995 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20321244000012 its reverse (21000044212302), we get a palindrome (41321288212314).

The spelling of 20321244000012 in words is "twenty trillion, three hundred twenty-one billion, two hundred forty-four million, twelve", and thus it is an aban number.