20002100201223 has 32 divisors (see below), whose sum is σ = 30542343237120. Its totient is φ = 11406176939520.

The previous prime is 20002100201203. The next prime is 20002100201227. The reversal of 20002100201223 is 32210200120002.

It is a happy number.

It is not a de Polignac number, because 20002100201223 - 2⁹ = 20002100200711 is a prime.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38219211 + ... + 38739027.

It is an arithmetic number, because the mean of its divisors is an integer number (954448226160).

Almost surely, 2^{20002100201223} is an apocalyptic number.

20002100201223 is a deficient number, since it is larger than the sum of its proper divisors (10540243035897).

20002100201223 is a wasteful number, since it uses less digits than its factorization.

20002100201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523607.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20002100201223 its reverse (32210200120002), we get a palindrome (52212300321225).

The spelling of 20002100201223 in words is "twenty trillion, two billion, one hundred million, two hundred one thousand, two hundred twenty-three".