20240011 has 16 divisors (see below), whose sum is σ = 22744800. Its totient is φ = 17854720.

The previous prime is 20239991. The next prime is 20240021. The reversal of 20240011 is 11004202.

It is a cyclic number.

It is not a de Polignac number, because 20240011 - 2¹¹ = 20237963 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 20240011.

It is not an unprimeable number, because it can be changed into a prime (20240021) 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 in 15 ways as a sum of consecutive naturals, for example, 86751 + ... + 86983.

It is an arithmetic number, because the mean of its divisors is an integer number (1421550).

Almost surely, 2^20240011 is an apocalyptic number.

20240011 is a deficient number, since it is larger than the sum of its proper divisors (2504789).

20240011 is a wasteful number, since it uses less digits than its factorization.

20240011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 20240011 is about 4498.8899742047. The cubic root of 20240011 is about 272.5232637323.

Adding to 20240011 its reverse (11004202), we get a palindrome (31244213).

The spelling of 20240011 in words is "twenty million, two hundred forty thousand, eleven".