20331200121113 has 16 divisors (see below), whose sum is σ = 23272397660160. Its totient is φ = 17399191051536.

The previous prime is 20331200121109. The next prime is 20331200121119. The reversal of 20331200121113 is 31112100213302.

It is a happy number.

It is not a de Polignac number, because 20331200121113 - 2² = 20331200121109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20331200121119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76919006 + ... + 77182872.

It is an arithmetic number, because the mean of its divisors is an integer number (1454524853760).

Almost surely, 2^{20331200121113} is an apocalyptic number.

It is an amenable number.

20331200121113 is a deficient number, since it is larger than the sum of its proper divisors (2941197539047).

20331200121113 is a wasteful number, since it uses less digits than its factorization.

20331200121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281236.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20331200121113 its reverse (31112100213302), we get a palindrome (51443300334415).

The spelling of 20331200121113 in words is "twenty trillion, three hundred thirty-one billion, two hundred million, one hundred twenty-one thousand, one hundred thirteen".