20104233 has 4 divisors (see below), whose sum is σ = 26805648. Its totient is φ = 13402820.

The previous prime is 20104229. The next prime is 20104241. The reversal of 20104233 is 33240102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20104233 - 2² = 20104229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20104333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350703 + ... + 3350708.

It is an arithmetic number, because the mean of its divisors is an integer number (6701412).

Almost surely, 2^20104233 is an apocalyptic number.

It is an amenable number.

20104233 is a deficient number, since it is larger than the sum of its proper divisors (6701415).

20104233 is an equidigital number, since it uses as much as digits as its factorization.

20104233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6701414.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20104233 is about 4483.7744144861. The cubic root of 20104233 is about 271.9124979855.

Adding to 20104233 its reverse (33240102), we get a palindrome (53344335).

The spelling of 20104233 in words is "twenty million, one hundred four thousand, two hundred thirty-three".