20414165 has 8 divisors (see below), whose sum is σ = 24531768. Its totient is φ = 16308160.

The previous prime is 20414129. The next prime is 20414171. The reversal of 20414165 is 56141402.

It can be written as a sum of positive squares in 4 ways, for example, as 1552516 + 18861649 = 1246^2 + 4343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20414165 - 2⁸ = 20413909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20414165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619 + ... + 6591.

It is an arithmetic number, because the mean of its divisors is an integer number (3066471).

Almost surely, 2^20414165 is an apocalyptic number.

It is an amenable number.

20414165 is a deficient number, since it is larger than the sum of its proper divisors (4117603).

20414165 is an equidigital number, since it uses as much as digits as its factorization.

20414165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20414165 is about 4518.2037359995. The cubic root of 20414165 is about 273.3026694069.

Adding to 20414165 its reverse (56141402), we get a palindrome (76555567).

It can be divided in two parts, 20414 and 165, that multiplied together give a triangular number (3368310 = T₂₅₉₅).

The spelling of 20414165 in words is "twenty million, four hundred fourteen thousand, one hundred sixty-five".