20113222330213 has 8 divisors (see below), whose sum is σ = 21147876505080. Its totient is φ = 19101307807680.

The previous prime is 20113222330207. The next prime is 20113222330249. The reversal of 20113222330213 is 31203322231102.

It can be written as a sum of positive squares in 4 ways, for example, as 387739099969 + 19725483230244 = 622687^2 + 4441338^2 .

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 20113222330213 - 2⁹ = 20113222329701 is a prime.

It is a super-2 number, since 2×20113222330213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113282330213) 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, 5684911270 + ... + 5684914807.

It is an arithmetic number, because the mean of its divisors is an integer number (2643484563135).

Almost surely, 2^{20113222330213} is an apocalyptic number.

It is an amenable number.

20113222330213 is a deficient number, since it is larger than the sum of its proper divisors (1034654174867).

20113222330213 is a wasteful number, since it uses less digits than its factorization.

20113222330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369826167.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20113222330213 its reverse (31203322231102), we get a palindrome (51316544561315).

The spelling of 20113222330213 in words is "twenty trillion, one hundred thirteen billion, two hundred twenty-two million, three hundred thirty thousand, two hundred thirteen".