10003231220 has 48 divisors (see below), whose sum is σ = 21415968000. Its totient is φ = 3924036480.

The previous prime is 10003231181. The next prime is 10003231223. The reversal of 10003231220 is 2213230001.

It is a happy number.

10003231220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10003231195 and 10003231204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003231223) by changing a digit.

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, 214175 + ... + 256665.

It is an arithmetic number, because the mean of its divisors is an integer number (446166000).

Almost surely, 2^10003231220 is an apocalyptic number.

10003231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10003231220 is an abundant number, since it is smaller than the sum of its proper divisors (11412736780).

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

10003231220 is a wasteful number, since it uses less digits than its factorization.

10003231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42728 (or 42726 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10003231220 its reverse (2213230001), we get a palindrome (12216461221).

The spelling of 10003231220 in words is "ten billion, three million, two hundred thirty-one thousand, two hundred twenty".