21300003003330 has 48 divisors (see below), whose sum is σ = 55380360480120. Its totient is φ = 5679964629504.

The previous prime is 21300003003317. The next prime is 21300003003337. The reversal of 21300003003330 is 3330030000312.

21300003003330 is a `hidden beast` number, since 2 + 1 + 30 + 0 + 0 + 0 + 300 + 3 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8007875572761 + 13292127430569 = 2829819^2 + 3645837^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (21300003003337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15361674 + ... + 16690746.

Almost surely, 2^{21300003003330} is an apocalyptic number.

21300003003330 is an abundant number, since it is smaller than the sum of its proper divisors (34080357476790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21300003003330 is a wasteful number, since it uses less digits than its factorization.

21300003003330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507155 (or 1507152 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

Adding to 21300003003330 its reverse (3330030000312), we get a palindrome (24630033003642).

The spelling of 21300003003330 in words is "twenty-one trillion, three hundred billion, three million, three thousand, three hundred thirty".