20414893 has 2 divisors, whose sum is σ = 20414894. Its totient is φ = 20414892.

The previous prime is 20414879. The next prime is 20414897. The reversal of 20414893 is 39841402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12945604 + 7469289 = 3598^2 + 2733^2 .

It is a cyclic number.

It is not a de Polignac number, because 20414893 - 2¹⁷ = 20283821 is a prime.

It is a super-3 number, since 3×20414893³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20414897) 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, 10207446 + 10207447.

It is an arithmetic number, because the mean of its divisors is an integer number (10207447).

Almost surely, 2^20414893 is an apocalyptic number.

It is an amenable number.

20414893 is a deficient number, since it is larger than the sum of its proper divisors (1).

20414893 is an equidigital number, since it uses as much as digits as its factorization.

20414893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 20414893 is about 4518.2842982707. The cubic root of 20414893 is about 273.3059181638.

The spelling of 20414893 in words is "twenty million, four hundred fourteen thousand, eight hundred ninety-three".