10120322320 has 20 divisors (see below), whose sum is σ = 23529749580. Its totient is φ = 4048128896.

The previous prime is 10120322297. The next prime is 10120322351. The reversal of 10120322320 is 2322302101.

It can be written as a sum of positive squares in 2 ways, for example, as 6937557264 + 3182765056 = 83292^2 + 56416^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 = 10120322294 and 10120322303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63251935 + ... + 63252094.

It is an arithmetic number, because the mean of its divisors is an integer number (1176487479).

Almost surely, 2^10120322320 is an apocalyptic number.

10120322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120322320 is an abundant number, since it is smaller than the sum of its proper divisors (13409427260).

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

10120322320 is a wasteful number, since it uses less digits than its factorization.

10120322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126504042 (or 126504036 counting only the distinct ones).

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

Adding to 10120322320 its reverse (2322302101), we get a palindrome (12442624421).

The spelling of 10120322320 in words is "ten billion, one hundred twenty million, three hundred twenty-two thousand, three hundred twenty".