20332021221012 has 192 divisors, whose sum is σ = 49663663902720. Its totient is φ = 6470572253184.

The previous prime is 20332021220989. The next prime is 20332021221067. The reversal of 20332021221012 is 21012212023302.

It is a super-3 number, since 3×20332021221012³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20332021221012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 718254163 + ... + 718282469.

It is an arithmetic number, because the mean of its divisors is an integer number (258664916160).

Almost surely, 2^{20332021221012} is an apocalyptic number.

It is an amenable number.

20332021221012 is an abundant number, since it is smaller than the sum of its proper divisors (29331642681708).

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

20332021221012 is a wasteful number, since it uses less digits than its factorization.

20332021221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28670 (or 28668 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20332021221012 its reverse (21012212023302), we get a palindrome (41344233244314).

The spelling of 20332021221012 in words is "twenty trillion, three hundred thirty-two billion, twenty-one million, two hundred twenty-one thousand, twelve".