10220312320 has 72 divisors (see below), whose sum is σ = 24527754720. Its totient is φ = 4080291840.

The previous prime is 10220312303. The next prime is 10220312321. The reversal of 10220312320 is 2321302201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 10220312294 and 10220312303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220312321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685101 + ... + 699859.

It is an arithmetic number, because the mean of its divisors is an integer number (340663260).

Almost surely, 2^10220312320 is an apocalyptic number.

10220312320 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 10220312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12263877360).

10220312320 is an abundant number, since it is smaller than the sum of its proper divisors (14307442400).

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

10220312320 is an equidigital number, since it uses as much as digits as its factorization.

10220312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15321 (or 15307 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10220312320 its reverse (2321302201), we get a palindrome (12541614521).

The spelling of 10220312320 in words is "ten billion, two hundred twenty million, three hundred twelve thousand, three hundred twenty".