20002100201222 has 32 divisors (see below), whose sum is σ = 30928083876864. Its totient is φ = 9696805372800.

The previous prime is 20002100201203. The next prime is 20002100201227. The reversal of 20002100201222 is 22210200120002.

It is a junction number, because it is equal to n+sod(n) for n = 20002100201197 and 20002100201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002100201227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20892647 + ... + 21829037.

It is an arithmetic number, because the mean of its divisors is an integer number (966502621152).

Almost surely, 2^{20002100201222} is an apocalyptic number.

20002100201222 is a deficient number, since it is larger than the sum of its proper divisors (10925983675642).

20002100201222 is a wasteful number, since it uses less digits than its factorization.

20002100201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938564.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20002100201222 its reverse (22210200120002), we get a palindrome (42212300321224).

The spelling of 20002100201222 in words is "twenty trillion, two billion, one hundred million, two hundred one thousand, two hundred twenty-two".