20002102102231 has 8 divisors (see below), whose sum is σ = 20439371831040. Its totient is φ = 19565319585528.

The previous prime is 20002102102189. The next prime is 20002102102247. The reversal of 20002102102231 is 13220120120002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20002102102231 - 2⁹ = 20002102101719 is a prime.

It is a super-2 number, since 2×20002102102231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002102102261) 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 7 ways as a sum of consecutive naturals, for example, 121720021 + ... + 121884238.

It is an arithmetic number, because the mean of its divisors is an integer number (2554921478880).

Almost surely, 2^{20002102102231} is an apocalyptic number.

20002102102231 is a deficient number, since it is larger than the sum of its proper divisors (437269728809).

20002102102231 is a wasteful number, since it uses less digits than its factorization.

20002102102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243606053.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20002102102231 its reverse (13220120120002), we get a palindrome (33222222222233).

The spelling of 20002102102231 in words is "twenty trillion, two billion, one hundred two million, one hundred two thousand, two hundred thirty-one".