20411343 has 12 divisors (see below), whose sum is σ = 29558568. Its totient is φ = 13572720.

The previous prime is 20411341. The next prime is 20411357. The reversal of 20411343 is 34311402.

It is not a de Polignac number, because 20411343 - 2¹ = 20411341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1096 + ... + 6482.

It is an arithmetic number, because the mean of its divisors is an integer number (2463214).

Almost surely, 2^20411343 is an apocalyptic number.

20411343 is a deficient number, since it is larger than the sum of its proper divisors (9147225).

20411343 is a wasteful number, since it uses less digits than its factorization.

20411343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814 (or 5811 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20411343 is about 4517.8914329585. The cubic root of 20411343 is about 273.2900752813.

Adding to 20411343 its reverse (34311402), we get a palindrome (54722745).

The spelling of 20411343 in words is "twenty million, four hundred eleven thousand, three hundred forty-three".