21033024304330 has 8 divisors (see below), whose sum is σ = 37859443747812. Its totient is φ = 8413209721728.

The previous prime is 21033024304261. The next prime is 21033024304333. The reversal of 21033024304330 is 3340342033012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19146601716489 + 1886422587841 = 4375683^2 + 1373471^2 .

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

It is a super-2 number, since 2×21033024304330² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21033024304333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051651215207 + ... + 1051651215226.

Almost surely, 2^{21033024304330} is an apocalyptic number.

21033024304330 is a deficient number, since it is larger than the sum of its proper divisors (16826419443482).

21033024304330 is a wasteful number, since it uses less digits than its factorization.

21033024304330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103302430440.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 21033024304330 its reverse (3340342033012), we get a palindrome (24373366337342).

The spelling of 21033024304330 in words is "twenty-one trillion, thirty-three billion, twenty-four million, three hundred four thousand, three hundred thirty".