20002130311213 has 4 divisors (see below), whose sum is σ = 20467296132448. Its totient is φ = 19536964489980.

The previous prime is 20002130311183. The next prime is 20002130311217. The reversal of 20002130311213 is 31211303120002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20002130311213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002130311217) by changing a digit.

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, 232582910553 + ... + 232582910638.

It is an arithmetic number, because the mean of its divisors is an integer number (5116824033112).

Almost surely, 2^{20002130311213} is an apocalyptic number.

It is an amenable number.

20002130311213 is a deficient number, since it is larger than the sum of its proper divisors (465165821235).

20002130311213 is an equidigital number, since it uses as much as digits as its factorization.

20002130311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465165821234.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20002130311213 its reverse (31211303120002), we get a palindrome (51213433431215).

The spelling of 20002130311213 in words is "twenty trillion, two billion, one hundred thirty million, three hundred eleven thousand, two hundred thirteen".