20033120208 has 80 divisors (see below), whose sum is σ = 53432580096. Its totient is φ = 6463457280.

The previous prime is 20033120207. The next prime is 20033120243. The reversal of 20033120208 is 80202133002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033120203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209860 + ... + 290012.

Almost surely, 2^20033120208 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 20033120208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26716290048).

20033120208 is an abundant number, since it is smaller than the sum of its proper divisors (33399459888).

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

20033120208 is a wasteful number, since it uses less digits than its factorization.

20033120208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80332 (or 80326 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The spelling of 20033120208 in words is "twenty billion, thirty-three million, one hundred twenty thousand, two hundred eight".