10003320120 has 32 divisors (see below), whose sum is σ = 30009960720. Its totient is φ = 2667552000.

The previous prime is 10003320091. The next prime is 10003320121. The reversal of 10003320120 is 2102330001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10003320096 and 10003320105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003320121) 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, 41680381 + ... + 41680620.

Almost surely, 2^10003320120 is an apocalyptic number.

10003320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10003320120 is an abundant number, since it is smaller than the sum of its proper divisors (20006640600).

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

10003320120 is a wasteful number, since it uses less digits than its factorization.

10003320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83361015 (or 83361011 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 10003320120 its reverse (2102330001), we get a palindrome (12105650121).

The spelling of 10003320120 in words is "ten billion, three million, three hundred twenty thousand, one hundred twenty".