10330021 has 8 divisors (see below), whose sum is σ = 11201400. Its totient is φ = 9469632.

The previous prime is 10330009. The next prime is 10330027. The reversal of 10330021 is 12003301.

It can be written as a sum of positive squares in 4 ways, for example, as 1179396 + 9150625 = 1086^2 + 3025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10330021 - 2⁹ = 10329509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10330027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730 + ... + 4603.

It is an arithmetic number, because the mean of its divisors is an integer number (1400175).

Almost surely, 2^10330021 is an apocalyptic number.

It is an amenable number.

10330021 is a deficient number, since it is larger than the sum of its proper divisors (871379).

10330021 is a wasteful number, since it uses less digits than its factorization.

10330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5495.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 10330021 is about 3214.0350029208. The cubic root of 10330021 is about 217.7878937428.

Adding to 10330021 its reverse (12003301), we get a palindrome (22333322).

The spelling of 10330021 in words is "ten million, three hundred thirty thousand, twenty-one".