20032220221012 has 12 divisors (see below), whose sum is σ = 35056455941920. Its totient is φ = 10016089951896.

The previous prime is 20032220220953. The next prime is 20032220221199. The reversal of 20032220221012 is 21012202223002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2681118 + ... + 6874069.

Almost surely, 2^{20032220221012} is an apocalyptic number.

It is an amenable number.

20032220221012 is a deficient number, since it is larger than the sum of its proper divisors (15024235720908).

20032220221012 is a wasteful number, since it uses less digits than its factorization.

20032220221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10079310 (or 10079308 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20032220221012 its reverse (21012202223002), we get a palindrome (41044422444014).

The spelling of 20032220221012 in words is "twenty trillion, thirty-two billion, two hundred twenty million, two hundred twenty-one thousand, twelve".