20614165 has 24 divisors (see below), whose sum is σ = 29292984. Its totient is φ = 13833600.

The previous prime is 20614151. The next prime is 20614171. The reversal of 20614165 is 56141602.

It can be written as a sum of positive squares in 4 ways, for example, as 1830609 + 18783556 = 1353^2 + 4334^2 .

It is not a de Polignac number, because 20614165 - 2⁵ = 20614133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6555 + ... + 9175.

It is an arithmetic number, because the mean of its divisors is an integer number (1220541).

Almost surely, 2^20614165 is an apocalyptic number.

It is an amenable number.

20614165 is a deficient number, since it is larger than the sum of its proper divisors (8678819).

20614165 is a wasteful number, since it uses less digits than its factorization.

20614165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 20614165 is about 4540.2824801988. The cubic root of 20614165 is about 274.1922966814.

Adding to 20614165 its reverse (56141602), we get a palindrome (76755767).

It can be divided in two parts, 2061 and 4165, that added together give a palindrome (6226).

The spelling of 20614165 in words is "twenty million, six hundred fourteen thousand, one hundred sixty-five".