10032320021 has 8 divisors (see below), whose sum is σ = 10666028160. Its totient is φ = 9415071952.

The previous prime is 10032320003. The next prime is 10032320027. The reversal of 10032320021 is 12002323001.

It is a happy number.

10032320021 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 10032320021 - 2²² = 10028125717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10032319978 and 10032320005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10032320027) 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, 4113761 + ... + 4116198.

It is an arithmetic number, because the mean of its divisors is an integer number (1333253520).

Almost surely, 2^10032320021 is an apocalyptic number.

It is an amenable number.

10032320021 is a deficient number, since it is larger than the sum of its proper divisors (633708139).

10032320021 is an equidigital number, since it uses as much as digits as its factorization.

10032320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8230035.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10032320021 its reverse (12002323001), we get a palindrome (22034643022).

The spelling of 10032320021 in words is "ten billion, thirty-two million, three hundred twenty thousand, twenty-one".