20544341 has 2 divisors, whose sum is σ = 20544342. Its totient is φ = 20544340.

The previous prime is 20544319. The next prime is 20544343. The reversal of 20544341 is 14344502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11930116 + 8614225 = 3454^2 + 2935^2 .

It is a cyclic number.

It is not a de Polignac number, because 20544341 - 2¹⁰ = 20543317 is a prime.

Together with 20544343, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20544343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10272170 + 10272171.

It is an arithmetic number, because the mean of its divisors is an integer number (10272171).

Almost surely, 2^20544341 is an apocalyptic number.

It is an amenable number.

20544341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20544341 is an equidigital number, since it uses as much as digits as its factorization.

20544341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 20544341 is about 4532.5865683956. The cubic root of 20544341 is about 273.8823664335.

Adding to 20544341 its reverse (14344502), we get a palindrome (34888843).

The spelling of 20544341 in words is "twenty million, five hundred forty-four thousand, three hundred forty-one".