2112322020 has 48 divisors (see below), whose sum is σ = 6105297408. Its totient is φ = 545114880.

The previous prime is 2112322013. The next prime is 2112322021. The reversal of 2112322020 is 202232112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2112322021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565969 + ... + 569688.

It is an arithmetic number, because the mean of its divisors is an integer number (127193696).

Almost surely, 2^2112322020 is an apocalyptic number.

2112322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112322020 is an abundant number, since it is smaller than the sum of its proper divisors (3992975388).

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

2112322020 is a wasteful number, since it uses less digits than its factorization.

2112322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135700 (or 1135698 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2112322020 is about 45960.0045691904. The cubic root of 2112322020 is about 1283.0789363995.

Adding to 2112322020 its reverse (202232112), we get a palindrome (2314554132).

The spelling of 2112322020 in words is "two billion, one hundred twelve million, three hundred twenty-two thousand, twenty".