21332300209 has 8 divisors (see below), whose sum is σ = 23327146080. Its totient is φ = 19346712000.

The previous prime is 21332300207. The next prime is 21332300219. The reversal of 21332300209 is 90200323312.

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

It is not a de Polignac number, because 21332300209 - 2¹ = 21332300207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21332300201) 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, 2309592 + ... + 2318809.

It is an arithmetic number, because the mean of its divisors is an integer number (2915893260).

Almost surely, 2^21332300209 is an apocalyptic number.

It is an amenable number.

21332300209 is a deficient number, since it is larger than the sum of its proper divisors (1994845871).

21332300209 is a wasteful number, since it uses less digits than its factorization.

21332300209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628831.

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 21332300209 in words is "twenty-one billion, three hundred thirty-two million, three hundred thousand, two hundred nine".