10320333021 has 24 divisors (see below), whose sum is σ = 15810795000. Its totient is φ = 6464526336.

The previous prime is 10320333019. The next prime is 10320333029. The reversal of 10320333021 is 12033302301.

10320333021 is a `hidden beast` number, since 10 + 320 + 3 + 330 + 2 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1643410521 + 8676922500 = 40539^2 + 93150^2 .

It is not a de Polignac number, because 10320333021 - 2¹ = 10320333019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10320332985 and 10320333003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320333029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33855 + ... + 147603.

It is an arithmetic number, because the mean of its divisors is an integer number (658783125).

Almost surely, 2^10320333021 is an apocalyptic number.

It is an amenable number.

10320333021 is a deficient number, since it is larger than the sum of its proper divisors (5490461979).

10320333021 is a wasteful number, since it uses less digits than its factorization.

10320333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114365 (or 114362 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 10320333021 its reverse (12033302301), we get a palindrome (22353635322).

The spelling of 10320333021 in words is "ten billion, three hundred twenty million, three hundred thirty-three thousand, twenty-one".