21332324234 has 64 divisors (see below), whose sum is σ = 38147106816. Its totient is φ = 8846475264.

The previous prime is 21332324197. The next prime is 21332324243. The reversal of 21332324234 is 43242323312.

It is a junction number, because it is equal to n+sod(n) for n = 21332324197 and 21332324206.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6169034 + ... + 6172490.

It is an arithmetic number, because the mean of its divisors is an integer number (596048544).

Almost surely, 2^21332324234 is an apocalyptic number.

21332324234 is a deficient number, since it is larger than the sum of its proper divisors (16814782582).

21332324234 is a wasteful number, since it uses less digits than its factorization.

21332324234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119.

The product of its digits is 20736, while the sum is 29.

Adding to 21332324234 its reverse (43242323312), we get a palindrome (64574647546).

The spelling of 21332324234 in words is "twenty-one billion, three hundred thirty-two million, three hundred twenty-four thousand, two hundred thirty-four".