20113333331213 has 8 divisors (see below), whose sum is σ = 21033751316928. Its totient is φ = 19196742448224.

The previous prime is 20113333331207. The next prime is 20113333331317. The reversal of 20113333331213 is 31213333331102.

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 20113333331213 - 2⁴ = 20113333331197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113333361213) 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, 956764931 + ... + 956785952.

It is an arithmetic number, because the mean of its divisors is an integer number (2629218914616).

Almost surely, 2^{20113333331213} is an apocalyptic number.

20113333331213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20113333331213 is a deficient number, since it is larger than the sum of its proper divisors (920417985715).

20113333331213 is a wasteful number, since it uses less digits than its factorization.

20113333331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913551363.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 20113333331213 its reverse (31213333331102), we get a palindrome (51326666662315).

The spelling of 20113333331213 in words is "twenty trillion, one hundred thirteen billion, three hundred thirty-three million, three hundred thirty-one thousand, two hundred thirteen".