10221330432 has 112 divisors (see below), whose sum is σ = 27380318112. Its totient is φ = 3391488000.

The previous prime is 10221330409. The next prime is 10221330439. The reversal of 10221330432 is 23403312201.

It is a junction number, because it is equal to n+sod(n) for n = 10221330399 and 10221330408.

It is not an unprimeable number, because it can be changed into a prime (10221330439) 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, 6167748 + ... + 6169404.

It is an arithmetic number, because the mean of its divisors is an integer number (244467126).

Almost surely, 2^10221330432 is an apocalyptic number.

10221330432 is a gapful number since it is divisible by the number (12) 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 10221330432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13690159056).

10221330432 is an abundant number, since it is smaller than the sum of its proper divisors (17158987680).

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

10221330432 is an equidigital number, since it uses as much as digits as its factorization.

10221330432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 10221330432 its reverse (23403312201), we get a palindrome (33624642633).

The spelling of 10221330432 in words is "ten billion, two hundred twenty-one million, three hundred thirty thousand, four hundred thirty-two".