20002102232213 has 4 divisors (see below), whose sum is σ = 20467267400448. Its totient is φ = 19536937063980.

The previous prime is 20002102232183. The next prime is 20002102232257. The reversal of 20002102232213 is 31223220120002.

It is a happy number.

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 not a de Polignac number, because 20002102232213 - 2²⁴ = 20002085454997 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 (20002102232113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232582584053 + ... + 232582584138.

It is an arithmetic number, because the mean of its divisors is an integer number (5116816850112).

Almost surely, 2^{20002102232213} is an apocalyptic number.

It is an amenable number.

20002102232213 is a deficient number, since it is larger than the sum of its proper divisors (465165168235).

20002102232213 is an equidigital number, since it uses as much as digits as its factorization.

20002102232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465165168234.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20002102232213 its reverse (31223220120002), we get a palindrome (51225322352215).

The spelling of 20002102232213 in words is "twenty trillion, two billion, one hundred two million, two hundred thirty-two thousand, two hundred thirteen".