21332200202 has 8 divisors (see below), whose sum is σ = 33880553316. Its totient is φ = 10038682432.

The previous prime is 21332200093. The next prime is 21332200207. The reversal of 21332200202 is 20200223312.

It can be written as a sum of positive squares in 2 ways, for example, as 20730528361 + 601671841 = 143981^2 + 24529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is not an unprimeable number, because it can be changed into a prime (21332200207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313708793 + ... + 313708860.

Almost surely, 2^21332200202 is an apocalyptic number.

21332200202 is a deficient number, since it is larger than the sum of its proper divisors (12548353114).

21332200202 is a wasteful number, since it uses less digits than its factorization.

21332200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627417672.

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

Adding to 21332200202 its reverse (20200223312), we get a palindrome (41532423514).

The spelling of 21332200202 in words is "twenty-one billion, three hundred thirty-two million, two hundred thousand, two hundred two".