20313243212232 has 64 divisors (see below), whose sum is σ = 52427204444160. Its totient is φ = 6551917646400.

The previous prime is 20313243212221. The next prime is 20313243212261. The reversal of 20313243212232 is 23221234231302.

It is a self number, because there is not a number n which added to its sum of digits gives 20313243212232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5053807 + ... + 8134337.

It is an arithmetic number, because the mean of its divisors is an integer number (819175069440).

Almost surely, 2^{20313243212232} is an apocalyptic number.

It is an amenable number.

20313243212232 is an abundant number, since it is smaller than the sum of its proper divisors (32113961231928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20313243212232 is a wasteful number, since it uses less digits than its factorization.

20313243212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089434 (or 3089430 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 20313243212232 its reverse (23221234231302), we get a palindrome (43534477443534).

The spelling of 20313243212232 in words is "twenty trillion, three hundred thirteen billion, two hundred forty-three million, two hundred twelve thousand, two hundred thirty-two".