2120020112 has 20 divisors (see below), whose sum is σ = 4694330496. Its totient is φ = 908580000.

The previous prime is 2120020109. The next prime is 2120020129. The reversal of 2120020112 is 2110200212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2120020093 and 2120020102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9464264 + ... + 9464487.

Almost surely, 2^2120020112 is an apocalyptic number.

It is an amenable number.

2120020112 is an abundant number, since it is smaller than the sum of its proper divisors (2574310384).

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

2120020112 is a wasteful number, since it uses less digits than its factorization.

2120020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18928766 (or 18928760 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2120020112 is about 46043.6761347310. The cubic root of 2120020112 is about 1284.6357200443.

Adding to 2120020112 its reverse (2110200212), we get a palindrome (4230220324).

The spelling of 2120020112 in words is "two billion, one hundred twenty million, twenty thousand, one hundred twelve".