20241605 has 16 divisors (see below), whose sum is σ = 25665024. Its totient is φ = 15301440.

The previous prime is 20241583. The next prime is 20241619. The reversal of 20241605 is 50614202.

It is a happy number.

It is not a de Polignac number, because 20241605 - 2¹⁰ = 20240581 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5147 + ... + 8183.

It is an arithmetic number, because the mean of its divisors is an integer number (1604064).

Almost surely, 2^20241605 is an apocalyptic number.

It is an amenable number.

20241605 is a deficient number, since it is larger than the sum of its proper divisors (5423419).

20241605 is a wasteful number, since it uses less digits than its factorization.

20241605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20241605 is about 4499.0671255272. The cubic root of 20241605 is about 272.5304177251.

Adding to 20241605 its reverse (50614202), we get a palindrome (70855807).

The spelling of 20241605 in words is "twenty million, two hundred forty-one thousand, six hundred five".