21202341 has 8 divisors (see below), whose sum is σ = 28363104. Its totient is φ = 14088240.

The previous prime is 21202283. The next prime is 21202367. The reversal of 21202341 is 14320212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21202341 - 2¹³ = 21194149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21202341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10590 + ... + 12431.

It is an arithmetic number, because the mean of its divisors is an integer number (3545388).

Almost surely, 2^21202341 is an apocalyptic number.

It is an amenable number.

21202341 is a deficient number, since it is larger than the sum of its proper divisors (7160763).

21202341 is a wasteful number, since it uses less digits than its factorization.

21202341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23331.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 21202341 is about 4604.5999826261. The cubic root of 21202341 is about 276.7756875872.

Adding to 21202341 its reverse (14320212), we get a palindrome (35522553).

The spelling of 21202341 in words is "twenty-one million, two hundred two thousand, three hundred forty-one".