10320443220 has 24 divisors (see below), whose sum is σ = 28897241184. Its totient is φ = 2752118176.

The previous prime is 10320443219. The next prime is 10320443233. The reversal of 10320443220 is 2234402301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86003634 + ... + 86003753.

It is an arithmetic number, because the mean of its divisors is an integer number (1204051716).

Almost surely, 2^10320443220 is an apocalyptic number.

10320443220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10320443220 is an abundant number, since it is smaller than the sum of its proper divisors (18576797964).

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

10320443220 is a wasteful number, since it uses less digits than its factorization.

10320443220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172007399 (or 172007397 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 10320443220 its reverse (2234402301), we get a palindrome (12554845521).

The spelling of 10320443220 in words is "ten billion, three hundred twenty million, four hundred forty-three thousand, two hundred twenty".