21200330041 has 32 divisors (see below), whose sum is σ = 24081527808. Its totient is φ = 18494101440.

The previous prime is 21200330023. The next prime is 21200330051. The reversal of 21200330041 is 14003300212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21200330041 - 2¹⁵ = 21200297273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21200329997 and 21200330024.

It is not an unprimeable number, because it can be changed into a prime (21200330051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11862750 + ... + 11864536.

It is an arithmetic number, because the mean of its divisors is an integer number (752547744).

Almost surely, 2^21200330041 is an apocalyptic number.

It is an amenable number.

21200330041 is a deficient number, since it is larger than the sum of its proper divisors (2881197767).

21200330041 is a wasteful number, since it uses less digits than its factorization.

21200330041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

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

Adding to 21200330041 its reverse (14003300212), we get a palindrome (35203630253).

The spelling of 21200330041 in words is "twenty-one billion, two hundred million, three hundred thirty thousand, forty-one".