10332221220 has 192 divisors, whose sum is σ = 32613235200. Its totient is φ = 2715379200.

The previous prime is 10332221129. The next prime is 10332221227. The reversal of 10332221220 is 2212223301.

10332221220 is a `hidden beast` number, since 103 + 322 + 21 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10332221193 and 10332221202.

It is not an unprimeable number, because it can be changed into a prime (10332221227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21215817 + ... + 21216303.

It is an arithmetic number, because the mean of its divisors is an integer number (169860600).

Almost surely, 2^10332221220 is an apocalyptic number.

10332221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10332221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16306617600).

10332221220 is an abundant number, since it is smaller than the sum of its proper divisors (22281013980).

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

10332221220 is a wasteful number, since it uses less digits than its factorization.

10332221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10332221220 its reverse (2212223301), we get a palindrome (12544444521).

The spelling of 10332221220 in words is "ten billion, three hundred thirty-two million, two hundred twenty-one thousand, two hundred twenty".