21410320030 has 32 divisors (see below), whose sum is σ = 44515150560. Its totient is φ = 7327595520.

The previous prime is 21410319947. The next prime is 21410320037. The reversal of 21410320030 is 3002301412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21410319986 and 21410320013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410320037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5722815 + ... + 5726554.

It is an arithmetic number, because the mean of its divisors is an integer number (1391098455).

Almost surely, 2^21410320030 is an apocalyptic number.

21410320030 is an abundant number, since it is smaller than the sum of its proper divisors (23104830530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21410320030 is a wasteful number, since it uses less digits than its factorization.

21410320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11449404.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21410320030 its reverse (3002301412), we get a palindrome (24412621442).

The spelling of 21410320030 in words is "twenty-one billion, four hundred ten million, three hundred twenty thousand, thirty".