20344111 has 2 divisors, whose sum is σ = 20344112. Its totient is φ = 20344110.

The previous prime is 20344099. The next prime is 20344123. The reversal of 20344111 is 11144302.

It is a balanced prime because it is at equal distance from previous prime (20344099) and next prime (20344123).

It is a cyclic number.

It is not a de Polignac number, because 20344111 - 2¹³ = 20335919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20344141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172055 + 10172056.

It is an arithmetic number, because the mean of its divisors is an integer number (10172056).

Almost surely, 2^20344111 is an apocalyptic number.

20344111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20344111 is an equidigital number, since it uses as much as digits as its factorization.

20344111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20344111 is about 4510.4446565721. Note that the first 3 decimals coincide. The cubic root of 20344111 is about 272.9896859517.

Adding to 20344111 its reverse (11144302), we get a palindrome (31488413).

The spelling of 20344111 in words is "twenty million, three hundred forty-four thousand, one hundred eleven".