10320213421 has 16 divisors (see below), whose sum is σ = 11949834240. Its totient is φ = 8730151920.

The previous prime is 10320213377. The next prime is 10320213433. The reversal of 10320213421 is 12431202301.

It is a happy number.

It is not a de Polignac number, because 10320213421 - 2⁹ = 10320212909 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 (10320213481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139410 + ... + 200188.

It is an arithmetic number, because the mean of its divisors is an integer number (746864640).

Almost surely, 2^10320213421 is an apocalyptic number.

It is an amenable number.

10320213421 is a deficient number, since it is larger than the sum of its proper divisors (1629620819).

10320213421 is a wasteful number, since it uses less digits than its factorization.

10320213421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61104.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10320213421 its reverse (12431202301), we get a palindrome (22751415722).

The spelling of 10320213421 in words is "ten billion, three hundred twenty million, two hundred thirteen thousand, four hundred twenty-one".