22021320303 has 24 divisors (see below), whose sum is σ = 33221994000. Its totient is φ = 14041983744.

The previous prime is 22021320257. The next prime is 22021320313. The reversal of 22021320303 is 30302312022.

It is a happy number.

22021320303 is a `hidden beast` number, since 2 + 20 + 21 + 320 + 303 = 666.

It is not a de Polignac number, because 22021320303 - 2⁹ = 22021319791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021320313) 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 23 ways as a sum of consecutive naturals, for example, 540778 + ... + 580071.

It is an arithmetic number, because the mean of its divisors is an integer number (1384249750).

Almost surely, 2^22021320303 is an apocalyptic number.

22021320303 is a deficient number, since it is larger than the sum of its proper divisors (11200673697).

22021320303 is a wasteful number, since it uses less digits than its factorization.

22021320303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120951 (or 1120948 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22021320303 its reverse (30302312022), we get a palindrome (52323632325).

The spelling of 22021320303 in words is "twenty-two billion, twenty-one million, three hundred twenty thousand, three hundred three".