21334240030 has 8 divisors (see below), whose sum is σ = 38401632072. Its totient is φ = 8533696008.

The previous prime is 21334239991. The next prime is 21334240033. The reversal of 21334240030 is 3004243312.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 21334239983 and 21334240010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21334240033) 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, 1066711992 + ... + 1066712011.

It is an arithmetic number, because the mean of its divisors is an integer number (4800204009).

Almost surely, 2^21334240030 is an apocalyptic number.

21334240030 is a deficient number, since it is larger than the sum of its proper divisors (17067392042).

21334240030 is a wasteful number, since it uses less digits than its factorization.

21334240030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133424010.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 21334240030 its reverse (3004243312), we get a palindrome (24338483342).

The spelling of 21334240030 in words is "twenty-one billion, three hundred thirty-four million, two hundred forty thousand, thirty".