20002100221203 has 32 divisors (see below), whose sum is σ = 28722893310720. Its totient is φ = 12335033610240.

The previous prime is 20002100221163. The next prime is 20002100221231. The reversal of 20002100221203 is 30212200120002.

It is a happy number.

It is not a de Polignac number, because 20002100221203 - 2¹⁴ = 20002100204819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002100221403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13709763 + ... + 15098403.

It is an arithmetic number, because the mean of its divisors is an integer number (897590415960).

Almost surely, 2^{20002100221203} is an apocalyptic number.

20002100221203 is a deficient number, since it is larger than the sum of its proper divisors (8720793089517).

20002100221203 is a wasteful number, since it uses less digits than its factorization.

20002100221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393507.

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

Adding to 20002100221203 its reverse (30212200120002), we get a palindrome (50214300341205).

The spelling of 20002100221203 in words is "twenty trillion, two billion, one hundred million, two hundred twenty-one thousand, two hundred three".