20004213320203 has 4 divisors (see below), whose sum is σ = 22861958080240. Its totient is φ = 17146468560168.

The previous prime is 20004213320177. The next prime is 20004213320207. The reversal of 20004213320203 is 30202331240002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20004213320203 is a prime.

It is a super-2 number, since 2×20004213320203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20004213320207) 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, 1428872380008 + ... + 1428872380021.

It is an arithmetic number, because the mean of its divisors is an integer number (5715489520060).

Almost surely, 2^{20004213320203} is an apocalyptic number.

20004213320203 is a deficient number, since it is larger than the sum of its proper divisors (2857744760037).

20004213320203 is an equidigital number, since it uses as much as digits as its factorization.

20004213320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857744760036.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20004213320203 its reverse (30202331240002), we get a palindrome (50206544560205).

The spelling of 20004213320203 in words is "twenty trillion, four billion, two hundred thirteen million, three hundred twenty thousand, two hundred three".