2020321320012 has 48 divisors (see below), whose sum is σ = 5247043401600. Its totient is φ = 672261014160.

The previous prime is 2020321320011. The next prime is 2020321320019. The reversal of 2020321320012 is 2100231230202.

2020321320012 is a `hidden beast` number, since 2 + 0 + 20 + 321 + 320 + 0 + 1 + 2 = 666.

It is a super-2 number, since 2×2020321320012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2020321320011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16318962 + ... + 16442297.

It is an arithmetic number, because the mean of its divisors is an integer number (109313404200).

Almost surely, 2^{2020321320012} is an apocalyptic number.

It is an amenable number.

2020321320012 is an abundant number, since it is smaller than the sum of its proper divisors (3226722081588).

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

2020321320012 is a wasteful number, since it uses less digits than its factorization.

2020321320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32761843 (or 32761835 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2020321320012 its reverse (2100231230202), we get a palindrome (4120552550214).

The spelling of 2020321320012 in words is "two trillion, twenty billion, three hundred twenty-one million, three hundred twenty thousand, twelve".