21322003030 has 16 divisors (see below), whose sum is σ = 40048284384. Its totient is φ = 8157983680.

The previous prime is 21322002967. The next prime is 21322003039. The reversal of 21322003030 is 3030022312.

It is a super-2 number, since 2×21322003030² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21322002995 and 21322003013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322003039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46351951 + ... + 46352410.

It is an arithmetic number, because the mean of its divisors is an integer number (2503017774).

Almost surely, 2^21322003030 is an apocalyptic number.

21322003030 is a deficient number, since it is larger than the sum of its proper divisors (18726281354).

21322003030 is a wasteful number, since it uses less digits than its factorization.

21322003030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92704391.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 21322003030 its reverse (3030022312), we get a palindrome (24352025342).

The spelling of 21322003030 in words is "twenty-one billion, three hundred twenty-two million, three thousand, thirty".