20002203100331 has 4 divisors (see below), whose sum is σ = 20146103842200. Its totient is φ = 19858302358464.

The previous prime is 20002203100309. The next prime is 20002203100361. The reversal of 20002203100331 is 13300130220002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20002203100331 is a prime.

It is a super-2 number, since 2×20002203100331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002203100361) 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 3 ways as a sum of consecutive naturals, for example, 71950370726 + ... + 71950371003.

It is an arithmetic number, because the mean of its divisors is an integer number (5036525960550).

Almost surely, 2^{20002203100331} is an apocalyptic number.

20002203100331 is a deficient number, since it is larger than the sum of its proper divisors (143900741869).

20002203100331 is a wasteful number, since it uses less digits than its factorization.

20002203100331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143900741868.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20002203100331 its reverse (13300130220002), we get a palindrome (33302333320333).

The spelling of 20002203100331 in words is "twenty trillion, two billion, two hundred three million, one hundred thousand, three hundred thirty-one".