20033120232 has 96 divisors (see below), whose sum is σ = 56459501280. Its totient is φ = 6654726720.

The previous prime is 20033120207. The next prime is 20033120243. The reversal of 20033120232 is 23202133002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 552007 + ... + 587177.

It is an arithmetic number, because the mean of its divisors is an integer number (588119805).

Almost surely, 2^20033120232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20033120232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28229750640).

20033120232 is an abundant number, since it is smaller than the sum of its proper divisors (36426381048).

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

20033120232 is a wasteful number, since it uses less digits than its factorization.

20033120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35485 (or 35469 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20033120232 its reverse (23202133002), we get a palindrome (43235253234).

The spelling of 20033120232 in words is "twenty billion, thirty-three million, one hundred twenty thousand, two hundred thirty-two".