20113233322213 has 4 divisors (see below), whose sum is σ = 20129208886080. Its totient is φ = 20097257758348.

The previous prime is 20113233322183. The next prime is 20113233322271. The reversal of 20113233322213 is 31222333231102.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-20113233322213 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 (20113233322313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7987780045 + ... + 7987782562.

It is an arithmetic number, because the mean of its divisors is an integer number (5032302221520).

Almost surely, 2^{20113233322213} is an apocalyptic number.

It is an amenable number.

20113233322213 is a deficient number, since it is larger than the sum of its proper divisors (15975563867).

20113233322213 is a wasteful number, since it uses less digits than its factorization.

20113233322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15975563866.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20113233322213 its reverse (31222333231102), we get a palindrome (51335566553315).

The spelling of 20113233322213 in words is "twenty trillion, one hundred thirteen billion, two hundred thirty-three million, three hundred twenty-two thousand, two hundred thirteen".