20023312333212 has 72 divisors (see below), whose sum is σ = 51125953788000. Its totient is φ = 6607262297088.

The previous prime is 20023312333111. The next prime is 20023312333223. The reversal of 20023312333212 is 21233321332002.

20023312333212 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 3 + 312 + 3 + 332 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3883837 + ... + 7425012.

It is an arithmetic number, because the mean of its divisors is an integer number (710082691500).

Almost surely, 2^{20023312333212} is an apocalyptic number.

It is an amenable number.

20023312333212 is an abundant number, since it is smaller than the sum of its proper divisors (31102641454788).

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

20023312333212 is a wasteful number, since it uses less digits than its factorization.

20023312333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11309355 (or 11309350 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 20023312333212 its reverse (21233321332002), we get a palindrome (41256633665214).

The spelling of 20023312333212 in words is "twenty trillion, twenty-three billion, three hundred twelve million, three hundred thirty-three thousand, two hundred twelve".