20002131012322 has 8 divisors (see below), whose sum is σ = 30127691110572. Its totient is φ = 9959567308800.

The previous prime is 20002131012301. The next prime is 20002131012337. The reversal of 20002131012322 is 22321013120002.

It can be written as a sum of positive squares in 2 ways, for example, as 14994467208361 + 5007663803961 = 3872269^2 + 2237781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20002131012322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20749098079 + ... + 20749099042.

Almost surely, 2^{20002131012322} is an apocalyptic number.

20002131012322 is a deficient number, since it is larger than the sum of its proper divisors (10125560098250).

20002131012322 is a wasteful number, since it uses less digits than its factorization.

20002131012322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41498197364.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20002131012322 its reverse (22321013120002), we get a palindrome (42323144132324).

The spelling of 20002131012322 in words is "twenty trillion, two billion, one hundred thirty-one million, twelve thousand, three hundred twenty-two".