2100332020 has 12 divisors (see below), whose sum is σ = 4410697284. Its totient is φ = 840132800.

The previous prime is 2100331993. The next prime is 2100332021. The reversal of 2100332020 is 202330012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 889709584 + 1210622436 = 29828^2 + 34794^2 .

It is a super-2 number, since 2×2100332020² = 8822789188474560800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100332021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52508281 + ... + 52508320.

It is an arithmetic number, because the mean of its divisors is an integer number (367558107).

Almost surely, 2^2100332020 is an apocalyptic number.

2100332020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100332020 is an abundant number, since it is smaller than the sum of its proper divisors (2310365264).

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

2100332020 is a wasteful number, since it uses less digits than its factorization.

2100332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105016610 (or 105016608 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2100332020 is about 45829.3794415766. The cubic root of 2100332020 is about 1280.6466499857.

Adding to 2100332020 its reverse (202330012), we get a palindrome (2302662032).

The spelling of 2100332020 in words is "two billion, one hundred million, three hundred thirty-two thousand, twenty".