20113330120 has 32 divisors (see below), whose sum is σ = 48736147320. Its totient is φ = 7426460160.

The previous prime is 20113330087. The next prime is 20113330121. The reversal of 20113330120 is 2103331102.

It can be written as a sum of positive squares in 4 ways, for example, as 9173425284 + 10939904836 = 95778^2 + 104594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20113330094 and 20113330103.

It is not an unprimeable number, because it can be changed into a prime (20113330121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19339221 + ... + 19340260.

Almost surely, 2^20113330120 is an apocalyptic number.

20113330120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113330120 is an abundant number, since it is smaller than the sum of its proper divisors (28622817200).

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

20113330120 is a wasteful number, since it uses less digits than its factorization.

20113330120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38679505 (or 38679501 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20113330120 its reverse (2103331102), we get a palindrome (22216661222).

The spelling of 20113330120 in words is "twenty billion, one hundred thirteen million, three hundred thirty thousand, one hundred twenty".