20004262 has 16 divisors (see below), whose sum is σ = 30536352. Its totient is φ = 9827200.

The previous prime is 20004253. The next prime is 20004289. The reversal of 20004262 is 26240002.

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 7 ways as a sum of consecutive naturals, for example, 33438 + ... + 34030.

It is an arithmetic number, because the mean of its divisors is an integer number (1908522).

Almost surely, 2^20004262 is an apocalyptic number.

20004262 is a deficient number, since it is larger than the sum of its proper divisors (10532090).

20004262 is a wasteful number, since it uses less digits than its factorization.

20004262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20004262 is about 4472.6124357024. The cubic root of 20004262 is about 271.4610417032.

Adding to 20004262 its reverse (26240002), we get a palindrome (46244264).

The spelling of 20004262 in words is "twenty million, four thousand, two hundred sixty-two".