20033301232 has 80 divisors (see below), whose sum is σ = 45639515392. Its totient is φ = 8341470720.

The previous prime is 20033301203. The next prime is 20033301259. The reversal of 20033301232 is 23210333002.

It is a happy number.

It is a congruent number.

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, 529507 + ... + 566077.

Almost surely, 2^20033301232 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 20033301232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22819757696).

20033301232 is an abundant number, since it is smaller than the sum of its proper divisors (25606214160).

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

20033301232 is a wasteful number, since it uses less digits than its factorization.

20033301232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36726 (or 36720 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20033301232 its reverse (23210333002), we get a palindrome (43243634234).

The spelling of 20033301232 in words is "twenty billion, thirty-three million, three hundred one thousand, two hundred thirty-two".