20003312213 has 8 divisors (see below), whose sum is σ = 20312726400. Its totient is φ = 19695779488.

The previous prime is 20003312209. The next prime is 20003312239. The reversal of 20003312213 is 31221330002.

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

It is a cyclic number.

It is not a de Polignac number, because 20003312213 - 2² = 20003312209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20003312191 and 20003312200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003312713) 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, 448931 + ... + 491472.

It is an arithmetic number, because the mean of its divisors is an integer number (2539090800).

Almost surely, 2^20003312213 is an apocalyptic number.

It is an amenable number.

20003312213 is a deficient number, since it is larger than the sum of its proper divisors (309414187).

20003312213 is an equidigital number, since it uses as much as digits as its factorization.

20003312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940731.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20003312213 its reverse (31221330002), we get a palindrome (51224642215).

The spelling of 20003312213 in words is "twenty billion, three million, three hundred twelve thousand, two hundred thirteen".