2112003020 has 24 divisors (see below), whose sum is σ = 4445809200. Its totient is φ = 842781632.

The previous prime is 2112003017. The next prime is 2112003043. The reversal of 2112003020 is 203002112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2112002992 and 2112003010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117635 + ... + 134394.

It is an arithmetic number, because the mean of its divisors is an integer number (185242050).

Almost surely, 2^2112003020 is an apocalyptic number.

2112003020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112003020 is an abundant number, since it is smaller than the sum of its proper divisors (2333806180).

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

2112003020 is a wasteful number, since it uses less digits than its factorization.

2112003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252457 (or 252455 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2112003020 is about 45956.5340294500. The cubic root of 2112003020 is about 1283.0143435355.

Adding to 2112003020 its reverse (203002112), we get a palindrome (2315005132).

The spelling of 2112003020 in words is "two billion, one hundred twelve million, three thousand, twenty".