20123220232113 has 8 divisors (see below), whose sum is σ = 26831775748800. Its totient is φ = 13415072435088.

The previous prime is 20123220232097. The next prime is 20123220232121. The reversal of 20123220232113 is 31123202232102.

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

It is not a de Polignac number, because 20123220232113 - 2⁴ = 20123220232097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20123220232123) 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, 101814733 + ... + 102012186.

It is an arithmetic number, because the mean of its divisors is an integer number (3353971968600).

Almost surely, 2^{20123220232113} is an apocalyptic number.

It is an amenable number.

20123220232113 is a deficient number, since it is larger than the sum of its proper divisors (6708555516687).

20123220232113 is a wasteful number, since it uses less digits than its factorization.

20123220232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203859831.

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

Adding to 20123220232113 its reverse (31123202232102), we get a palindrome (51246422464215).

The spelling of 20123220232113 in words is "twenty trillion, one hundred twenty-three billion, two hundred twenty million, two hundred thirty-two thousand, one hundred thirteen".