20341109 has 2 divisors, whose sum is σ = 20341110. Its totient is φ = 20341108.

The previous prime is 20341103. The next prime is 20341127. The reversal of 20341109 is 90114302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18464209 + 1876900 = 4297^2 + 1370^2 .

It is a cyclic number.

It is not a de Polignac number, because 20341109 - 2¹⁶ = 20275573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20341103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170554 + 10170555.

It is an arithmetic number, because the mean of its divisors is an integer number (10170555).

Almost surely, 2^20341109 is an apocalyptic number.

It is an amenable number.

20341109 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341109 is an equidigital number, since it uses as much as digits as its factorization.

20341109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 20341109 is about 4510.1118611405. Note that the first 3 decimals coincide. The cubic root of 20341109 is about 272.9762577357.

The spelling of 20341109 in words is "twenty million, three hundred forty-one thousand, one hundred nine".