20414605 has 4 divisors (see below), whose sum is σ = 24497532. Its totient is φ = 16331680.

The previous prime is 20414573. The next prime is 20414621. The reversal of 20414605 is 50641402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11923209 + 8491396 = 3453^2 + 2914^2 .

It is not a de Polignac number, because 20414605 - 2⁵ = 20414573 is a prime.

It is a super-3 number, since 3×20414605³ (a number of 23 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2041456 + ... + 2041465.

It is an arithmetic number, because the mean of its divisors is an integer number (6124383).

Almost surely, 2^20414605 is an apocalyptic number.

It is an amenable number.

20414605 is a deficient number, since it is larger than the sum of its proper divisors (4082927).

20414605 is an equidigital number, since it uses as much as digits as its factorization.

20414605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082926.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20414605 is about 4518.2524276539. The cubic root of 20414605 is about 273.3046329506.

The spelling of 20414605 in words is "twenty million, four hundred fourteen thousand, six hundred five".