21202003322 has 16 divisors (see below), whose sum is σ = 33916034880. Its totient is φ = 9905631168.

The previous prime is 21202003307. The next prime is 21202003343. The reversal of 21202003322 is 22330020212.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 21202003322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2238398 + ... + 2247849.

It is an arithmetic number, because the mean of its divisors is an integer number (2119752180).

Almost surely, 2^21202003322 is an apocalyptic number.

21202003322 is a deficient number, since it is larger than the sum of its proper divisors (12714031558).

21202003322 is a wasteful number, since it uses less digits than its factorization.

21202003322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486405.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21202003322 its reverse (22330020212), we get a palindrome (43532023534).

The spelling of 21202003322 in words is "twenty-one billion, two hundred two million, three thousand, three hundred twenty-two".