10320310220 has 144 divisors (see below), whose sum is σ = 25037256384. Its totient is φ = 3563788800.

The previous prime is 10320310213. The next prime is 10320310229. The reversal of 10320310220 is 2201302301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10320310195 and 10320310204.

It is not an unprimeable number, because it can be changed into a prime (10320310229) 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 47 ways as a sum of consecutive naturals, for example, 8738030 + ... + 8739210.

It is an arithmetic number, because the mean of its divisors is an integer number (173869836).

Almost surely, 2^10320310220 is an apocalyptic number.

10320310220 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 10320310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12518628192).

10320310220 is an abundant number, since it is smaller than the sum of its proper divisors (14716946164).

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

10320310220 is a wasteful number, since it uses less digits than its factorization.

10320310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392 (or 1379 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10320310220 its reverse (2201302301), we get a palindrome (12521612521).

The spelling of 10320310220 in words is "ten billion, three hundred twenty million, three hundred ten thousand, two hundred twenty".