10221203320 has 64 divisors (see below), whose sum is σ = 23212980000. Its totient is φ = 4050359808.

The previous prime is 10221203261. The next prime is 10221203339. The reversal of 10221203320 is 2330212201.

It is a junction number, because it is equal to n+sod(n) for n = 10221203294 and 10221203303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2495194 + ... + 2499286.

Almost surely, 2^10221203320 is an apocalyptic number.

10221203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221203320 is an abundant number, since it is smaller than the sum of its proper divisors (12991776680).

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

10221203320 is a wasteful number, since it uses less digits than its factorization.

10221203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4672 (or 4668 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10221203320 its reverse (2330212201), we get a palindrome (12551415521).

The spelling of 10221203320 in words is "ten billion, two hundred twenty-one million, two hundred three thousand, three hundred twenty".