20323122120213 has 32 divisors (see below), whose sum is σ = 32120507904000. Its totient is φ = 11292366038400.

The previous prime is 20323122120199. The next prime is 20323122120397. The reversal of 20323122120213 is 31202122132302.

It is not a de Polignac number, because 20323122120213 - 2⁸ = 20323122119957 is a prime.

It is a super-3 number, since 3×20323122120213³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323122120713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522775288 + ... + 522814161.

It is an arithmetic number, because the mean of its divisors is an integer number (1003765872000).

Almost surely, 2^{20323122120213} is an apocalyptic number.

It is an amenable number.

20323122120213 is a deficient number, since it is larger than the sum of its proper divisors (11797385783787).

20323122120213 is a wasteful number, since it uses less digits than its factorization.

20323122120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045589513.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20323122120213 its reverse (31202122132302), we get a palindrome (51525244252515).

The spelling of 20323122120213 in words is "twenty trillion, three hundred twenty-three billion, one hundred twenty-two million, one hundred twenty thousand, two hundred thirteen".