20114389 has 2 divisors, whose sum is σ = 20114390. Its totient is φ = 20114388.

The previous prime is 20114357. The next prime is 20114399. The reversal of 20114389 is 98341102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14554225 + 5560164 = 3815^2 + 2358^2 .

It is a cyclic number.

It is not a de Polignac number, because 20114389 - 2⁵ = 20114357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20114309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057194 + 10057195.

It is an arithmetic number, because the mean of its divisors is an integer number (10057195).

Almost surely, 2^20114389 is an apocalyptic number.

It is an amenable number.

20114389 is a deficient number, since it is larger than the sum of its proper divisors (1).

20114389 is an equidigital number, since it uses as much as digits as its factorization.

20114389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 20114389 is about 4484.9067994776. The cubic root of 20114389 is about 271.9582773735.

It can be divided in two parts, 20114 and 389, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 20114389 in words is "twenty million, one hundred fourteen thousand, three hundred eighty-nine".