20101323200203 has 16 divisors (see below), whose sum is σ = 23176857686976. Its totient is φ = 17076776048640.

The previous prime is 20101323200197. The next prime is 20101323200213. The reversal of 20101323200203 is 30200232310102.

It is not a de Polignac number, because 20101323200203 - 2²⁵ = 20101289645771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101323200213) 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, 31284793 + ... + 31920853.

It is an arithmetic number, because the mean of its divisors is an integer number (1448553605436).

Almost surely, 2^{20101323200203} is an apocalyptic number.

20101323200203 is a deficient number, since it is larger than the sum of its proper divisors (3075534486773).

20101323200203 is a wasteful number, since it uses less digits than its factorization.

20101323200203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676134.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20101323200203 its reverse (30200232310102), we get a palindrome (50301555510305).

The spelling of 20101323200203 in words is "twenty trillion, one hundred one billion, three hundred twenty-three million, two hundred thousand, two hundred three".