10221323320 has 32 divisors (see below), whose sum is σ = 24767053920. Its totient is φ = 3774026880.

The previous prime is 10221323311. The next prime is 10221323327. The reversal of 10221323320 is 2332312201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221323327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9827676 + ... + 9828715.

It is an arithmetic number, because the mean of its divisors is an integer number (773970435).

Almost surely, 2^10221323320 is an apocalyptic number.

10221323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221323320 is an abundant number, since it is smaller than the sum of its proper divisors (14545730600).

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

10221323320 is a wasteful number, since it uses less digits than its factorization.

10221323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19656415 (or 19656411 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 10221323320 its reverse (2332312201), we get a palindrome (12553635521).

The spelling of 10221323320 in words is "ten billion, two hundred twenty-one million, three hundred twenty-three thousand, three hundred twenty".