21332303203 has 8 divisors (see below), whose sum is σ = 22147733376. Its totient is φ = 20524828800.

The previous prime is 21332303101. The next prime is 21332303287. The reversal of 21332303203 is 30230323312.

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

It is a cyclic number.

It is not a de Polignac number, because 21332303203 - 2¹⁷ = 21332172131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21332303303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1983478 + ... + 1994203.

It is an arithmetic number, because the mean of its divisors is an integer number (2768466672).

Almost surely, 2^21332303203 is an apocalyptic number.

21332303203 is a deficient number, since it is larger than the sum of its proper divisors (815430173).

21332303203 is a wasteful number, since it uses less digits than its factorization.

21332303203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977885.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 21332303203 its reverse (30230323312), we get a palindrome (51562626515).

The spelling of 21332303203 in words is "twenty-one billion, three hundred thirty-two million, three hundred three thousand, two hundred three".