20123300132 has 24 divisors (see below), whose sum is σ = 38806654656. Its totient is φ = 9071683488.

The previous prime is 20123300123. The next prime is 20123300167. The reversal of 20123300132 is 23100332102.

It is a self number, because there is not a number n which added to its sum of digits gives 20123300132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4497608 + ... + 4502079.

It is an arithmetic number, because the mean of its divisors is an integer number (1616943944).

Almost surely, 2^20123300132 is an apocalyptic number.

It is an amenable number.

20123300132 is a deficient number, since it is larger than the sum of its proper divisors (18683354524).

20123300132 is a wasteful number, since it uses less digits than its factorization.

20123300132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999747 (or 8999745 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20123300132 its reverse (23100332102), we get a palindrome (43223632234).

The spelling of 20123300132 in words is "twenty billion, one hundred twenty-three million, three hundred thousand, one hundred thirty-two".