10331021320 has 128 divisors (see below), whose sum is σ = 24743232000. Its totient is φ = 3873982464.

The previous prime is 10331021317. The next prime is 10331021321. The reversal of 10331021320 is 2312013301.

It is a junction number, because it is equal to n+sod(n) for n = 10331021294 and 10331021303.

It is not an unprimeable number, because it can be changed into a prime (10331021321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13364454 + ... + 13365226.

It is an arithmetic number, because the mean of its divisors is an integer number (193306500).

Almost surely, 2^10331021320 is an apocalyptic number.

10331021320 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 10331021320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12371616000).

10331021320 is an abundant number, since it is smaller than the sum of its proper divisors (14412210680).

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

10331021320 is a wasteful number, since it uses less digits than its factorization.

10331021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10331021320 its reverse (2312013301), we get a palindrome (12643034621).

The spelling of 10331021320 in words is "ten billion, three hundred thirty-one million, twenty-one thousand, three hundred twenty".