20002322231 has 6 divisors (see below), whose sum is σ = 20668373496. Its totient is φ = 19357085100.

The previous prime is 20002322203. The next prime is 20002322251. The reversal of 20002322231 is 13222320002.

It is not a de Polignac number, because 20002322231 - 2⁶ = 20002322167 is a prime.

It is a super-3 number, since 3×20002322231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002322201) 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 5 ways as a sum of consecutive naturals, for example, 10406075 + ... + 10407996.

It is an arithmetic number, because the mean of its divisors is an integer number (3444728916).

Almost surely, 2^20002322231 is an apocalyptic number.

20002322231 is a deficient number, since it is larger than the sum of its proper divisors (666051265).

20002322231 is an equidigital number, since it uses as much as digits as its factorization.

20002322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20814133 (or 20814102 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20002322231 its reverse (13222320002), we get a palindrome (33224642233).

The spelling of 20002322231 in words is "twenty billion, two million, three hundred twenty-two thousand, two hundred thirty-one".