21320022330302 has 16 divisors (see below), whose sum is σ = 33861502604592. Its totient is φ = 10032865560960.

The previous prime is 21320022330263. The next prime is 21320022330323. The reversal of 21320022330302 is 20303322002312.

It is a super-2 number, since 2×21320022330302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418648 + ... + 6682260.

It is an arithmetic number, because the mean of its divisors is an integer number (2116343912787).

Almost surely, 2^{21320022330302} is an apocalyptic number.

21320022330302 is a deficient number, since it is larger than the sum of its proper divisors (12541480274290).

21320022330302 is a wasteful number, since it uses less digits than its factorization.

21320022330302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382763.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 21320022330302 its reverse (20303322002312), we get a palindrome (41623344332614).

The spelling of 21320022330302 in words is "twenty-one trillion, three hundred twenty billion, twenty-two million, three hundred thirty thousand, three hundred two".