20123033232 has 20 divisors (see below), whose sum is σ = 51984502640. Its totient is φ = 6707677728.

The previous prime is 20123033207. The next prime is 20123033237. The reversal of 20123033232 is 23233032102.

It is a junction number, because it is equal to n+sod(n) for n = 20123033199 and 20123033208.

It is not an unprimeable number, because it can be changed into a prime (20123033237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209614882 + ... + 209614977.

It is an arithmetic number, because the mean of its divisors is an integer number (2599225132).

Almost surely, 2^20123033232 is an apocalyptic number.

It is an amenable number.

20123033232 is an abundant number, since it is smaller than the sum of its proper divisors (31861469408).

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

20123033232 is a wasteful number, since it uses less digits than its factorization.

20123033232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419229870 (or 419229864 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20123033232 its reverse (23233032102), we get a palindrome (43356065334).

The spelling of 20123033232 in words is "twenty billion, one hundred twenty-three million, thirty-three thousand, two hundred thirty-two".