10023321220 has 24 divisors (see below), whose sum is σ = 22962518208. Its totient is φ = 3644844000.

The previous prime is 10023321211. The next prime is 10023321221. The reversal of 10023321220 is 2212332001.

It is a junction number, because it is equal to n+sod(n) for n = 10023321194 and 10023321203.

It is not an unprimeable number, because it can be changed into a prime (10023321221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22780056 + ... + 22780495.

It is an arithmetic number, because the mean of its divisors is an integer number (956771592).

Almost surely, 2^10023321220 is an apocalyptic number.

10023321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10023321220 is an abundant number, since it is smaller than the sum of its proper divisors (12939196988).

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

10023321220 is a wasteful number, since it uses less digits than its factorization.

10023321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45560571 (or 45560569 counting only the distinct ones).

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

Adding to 10023321220 its reverse (2212332001), we get a palindrome (12235653221).

The spelling of 10023321220 in words is "ten billion, twenty-three million, three hundred twenty-one thousand, two hundred twenty".