10321012320 has 96 divisors (see below), whose sum is σ = 32996533248. Its totient is φ = 2711182848.

The previous prime is 10321012319. The next prime is 10321012327. The reversal of 10321012320 is 2321012301.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10321012320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321012327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128304 + ... + 192623.

It is an arithmetic number, because the mean of its divisors is an integer number (343713888).

Almost surely, 2^10321012320 is an apocalyptic number.

10321012320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321012320 is an abundant number, since it is smaller than the sum of its proper divisors (22675520928).

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

10321012320 is a wasteful number, since it uses less digits than its factorization.

10321012320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321012 (or 321004 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10321012320 its reverse (2321012301), we get a palindrome (12642024621).

The spelling of 10321012320 in words is "ten billion, three hundred twenty-one million, twelve thousand, three hundred twenty".