20020110001112 has 128 divisors (see below), whose sum is σ = 41944224772800. Its totient is φ = 8894784503808.

The previous prime is 20020110001069. The next prime is 20020110001163. The reversal of 20020110001112 is 21110001102002.

It is a junction number, because it is equal to n+sod(n) for n = 20020110001093 and 20020110001102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2320629743 + ... + 2320638369.

Almost surely, 2^{20020110001112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020110001112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20972112386400).

20020110001112 is an abundant number, since it is smaller than the sum of its proper divisors (21924114771688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20020110001112 is a wasteful number, since it uses less digits than its factorization.

20020110001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10885 (or 10881 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20020110001112 its reverse (21110001102002), we get a palindrome (41130111103114).

The spelling of 20020110001112 in words is "twenty trillion, twenty billion, one hundred ten million, one thousand, one hundred twelve".