21433200334 has 16 divisors (see below), whose sum is σ = 39568985568. Its totient is φ = 8479068192.

The previous prime is 21433200311. The next prime is 21433200353. The reversal of 21433200334 is 43300233412.

It is a junction number, because it is equal to n+sod(n) for n = 21433200299 and 21433200308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58882237 + ... + 58882600.

It is an arithmetic number, because the mean of its divisors is an integer number (2473061598).

Almost surely, 2^21433200334 is an apocalyptic number.

21433200334 is a deficient number, since it is larger than the sum of its proper divisors (18135785234).

21433200334 is a wasteful number, since it uses less digits than its factorization.

21433200334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117764859.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 21433200334 its reverse (43300233412), we get a palindrome (64733433746).

The spelling of 21433200334 in words is "twenty-one billion, four hundred thirty-three million, two hundred thousand, three hundred thirty-four".