21322433030 has 16 divisors (see below), whose sum is σ = 39030895440. Its totient is φ = 8384414112.

The previous prime is 21322432991. The next prime is 21322433047. The reversal of 21322433030 is 3033422312.

It is a junction number, because it is equal to n+sod(n) for n = 21322432987 and 21322433005.

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, 18069269 + ... + 18070448.

It is an arithmetic number, because the mean of its divisors is an integer number (2439430965).

Almost surely, 2^21322433030 is an apocalyptic number.

21322433030 is a deficient number, since it is larger than the sum of its proper divisors (17708462410).

21322433030 is a wasteful number, since it uses less digits than its factorization.

21322433030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36139783.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 21322433030 its reverse (3033422312), we get a palindrome (24355855342).

The spelling of 21322433030 in words is "twenty-one billion, three hundred twenty-two million, four hundred thirty-three thousand, thirty".