20112420113 has 8 divisors (see below), whose sum is σ = 21179565120. Its totient is φ = 19046134800.

The previous prime is 20112420103. The next prime is 20112420121. The reversal of 20112420113 is 31102421102.

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 20112420113 - 2¹² = 20112416017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20112420091 and 20112420100.

It is not an unprimeable number, because it can be changed into a prime (20112420103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166613 + ... + 260738.

It is an arithmetic number, because the mean of its divisors is an integer number (2647445640).

Almost surely, 2^20112420113 is an apocalyptic number.

It is an amenable number.

20112420113 is a deficient number, since it is larger than the sum of its proper divisors (1067145007).

20112420113 is a wasteful number, since it uses less digits than its factorization.

20112420113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429847.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20112420113 its reverse (31102421102), we get a palindrome (51214841215).

The spelling of 20112420113 in words is "twenty billion, one hundred twelve million, four hundred twenty thousand, one hundred thirteen".