20004213 has 8 divisors (see below), whose sum is σ = 26947648. Its totient is φ = 13198464.

The previous prime is 20004211. The next prime is 20004217. The reversal of 20004213 is 31240002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20004213 - 2¹ = 20004211 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34081 + ... + 34662.

It is an arithmetic number, because the mean of its divisors is an integer number (3368456).

Almost surely, 2^20004213 is an apocalyptic number.

It is an amenable number.

20004213 is a deficient number, since it is larger than the sum of its proper divisors (6943435).

20004213 is an equidigital number, since it uses as much as digits as its factorization.

20004213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68843.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20004213 is about 4472.6069579162. The cubic root of 20004213 is about 271.4608200570.

Adding to 20004213 its reverse (31240002), we get a palindrome (51244215).

The spelling of 20004213 in words is "twenty million, four thousand, two hundred thirteen".