10001223320 has 32 divisors (see below), whose sum is σ = 24548458320. Its totient is φ = 3636808320.

The previous prime is 10001223319. The next prime is 10001223329. The reversal of 10001223320 is 2332210001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10001223295 and 10001223304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001223329) 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, 11364587 + ... + 11365466.

Almost surely, 2^10001223320 is an apocalyptic number.

10001223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001223320 is an abundant number, since it is smaller than the sum of its proper divisors (14547235000).

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

10001223320 is a wasteful number, since it uses less digits than its factorization.

10001223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22730075 (or 22730071 counting only the distinct ones).

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

Adding to 10001223320 its reverse (2332210001), we get a palindrome (12333433321).

The spelling of 10001223320 in words is "ten billion, one million, two hundred twenty-three thousand, three hundred twenty".