20033424232 has 8 divisors (see below), whose sum is σ = 37562670450. Its totient is φ = 10016712112.

The previous prime is 20033424227. The next prime is 20033424233. The reversal of 20033424232 is 23242433002.

It can be written as a sum of positive squares in only one way, i.e., 12371223076 + 7662201156 = 111226^2 + 87534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20033424197 and 20033424206.

It is not an unprimeable number, because it can be changed into a prime (20033424233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252089007 + ... + 1252089022.

Almost surely, 2^20033424232 is an apocalyptic number.

It is an amenable number.

20033424232 is a deficient number, since it is larger than the sum of its proper divisors (17529246218).

20033424232 is a wasteful number, since it uses less digits than its factorization.

20033424232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504178035 (or 2504178031 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20033424232 its reverse (23242433002), we get a palindrome (43275857234).

The spelling of 20033424232 in words is "twenty billion, thirty-three million, four hundred twenty-four thousand, two hundred thirty-two".