2112302020 has 48 divisors (see below), whose sum is σ = 4708897200. Its totient is φ = 793165824.

The previous prime is 2112301999. The next prime is 2112302047. The reversal of 2112302020 is 202032112.

It can be written as a sum of positive squares in 8 ways, for example, as 715716 + 2111586304 = 846^2 + 45952^2 .

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 15 ways as a sum of consecutive naturals, for example, 127156 + ... + 142804.

It is an arithmetic number, because the mean of its divisors is an integer number (98102025).

Almost surely, 2^2112302020 is an apocalyptic number.

2112302020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112302020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2354448600).

2112302020 is an abundant number, since it is smaller than the sum of its proper divisors (2596595180).

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

2112302020 is a wasteful number, since it uses less digits than its factorization.

2112302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16072 (or 16070 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2112302020 is about 45959.7869881922. The cubic root of 2112302020 is about 1283.0748868812.

Adding to 2112302020 its reverse (202032112), we get a palindrome (2314334132).

The spelling of 2112302020 in words is "two billion, one hundred twelve million, three hundred two thousand, twenty".