21322013302 has 16 divisors (see below), whose sum is σ = 33539120640. Its totient is φ = 10152378432.

The previous prime is 21322013291. The next prime is 21322013327. The reversal of 21322013302 is 20331022312.

It is a self number, because there is not a number n which added to its sum of digits gives 21322013302.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2513718 + ... + 2522185.

It is an arithmetic number, because the mean of its divisors is an integer number (2096195040).

Almost surely, 2^21322013302 is an apocalyptic number.

21322013302 is a deficient number, since it is larger than the sum of its proper divisors (12217107338).

21322013302 is a wasteful number, since it uses less digits than its factorization.

21322013302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036007.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21322013302 its reverse (20331022312), we get a palindrome (41653035614).

The spelling of 21322013302 in words is "twenty-one billion, three hundred twenty-two million, thirteen thousand, three hundred two".