20123133033232 has 80 divisors (see below), whose sum is σ = 39909761683200. Its totient is φ = 9825691366400.

The previous prime is 20123133033217. The next prime is 20123133033253. The reversal of 20123133033232 is 23233033132102.

It is a self number, because there is not a number n which added to its sum of digits gives 20123133033232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217034019 + ... + 217126717.

It is an arithmetic number, because the mean of its divisors is an integer number (498872021040).

Almost surely, 2^{20123133033232} is an apocalyptic number.

It is an amenable number.

20123133033232 is a deficient number, since it is larger than the sum of its proper divisors (19786628649968).

20123133033232 is a wasteful number, since it uses less digits than its factorization.

20123133033232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93952 (or 93946 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 20123133033232 its reverse (23233033132102), we get a palindrome (43356166165334).

The spelling of 20123133033232 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-three million, thirty-three thousand, two hundred thirty-two".