10320442021 has 8 divisors (see below), whose sum is σ = 10949166080. Its totient is φ = 9700272288.

The previous prime is 10320441979. The next prime is 10320442043. The reversal of 10320442021 is 12024402301.

10320442021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10320442021 - 2¹¹ = 10320439973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10320442021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320442721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136096 + ... + 2140921.

It is an arithmetic number, because the mean of its divisors is an integer number (1368645760).

Almost surely, 2^10320442021 is an apocalyptic number.

It is an amenable number.

10320442021 is a deficient number, since it is larger than the sum of its proper divisors (628724059).

10320442021 is a wasteful number, since it uses less digits than its factorization.

10320442021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277163.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10320442021 its reverse (12024402301), we get a palindrome (22344844322).

The spelling of 10320442021 in words is "ten billion, three hundred twenty million, four hundred forty-two thousand, twenty-one".