10320343220 has 48 divisors (see below), whose sum is σ = 23686943616. Its totient is φ = 3745872000.

The previous prime is 10320343219. The next prime is 10320343261. The reversal of 10320343220 is 2234302301.

10320343220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10320343192 and 10320343201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75665 + ... + 162375.

It is an arithmetic number, because the mean of its divisors is an integer number (493477992).

Almost surely, 2^10320343220 is an apocalyptic number.

10320343220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10320343220 is an abundant number, since it is smaller than the sum of its proper divisors (13366600396).

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

10320343220 is a wasteful number, since it uses less digits than its factorization.

10320343220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87272 (or 87270 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 10320343220 its reverse (2234302301), we get a palindrome (12554645521).

The spelling of 10320343220 in words is "ten billion, three hundred twenty million, three hundred forty-three thousand, two hundred twenty".