2100329988 has 24 divisors (see below), whose sum is σ = 5069762880. Its totient is φ = 675968160.

The previous prime is 2100329981. The next prime is 2100329989. The reversal of 2100329988 is 8899230012.

It is a super-2 number, since 2×2100329988² = 8822772116984160288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2100329981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3017368 + ... + 3018063.

It is an arithmetic number, because the mean of its divisors is an integer number (211240120).

Almost surely, 2^2100329988 is an apocalyptic number.

It is an amenable number.

2100329988 is an abundant number, since it is smaller than the sum of its proper divisors (2969432892).

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

2100329988 is a wasteful number, since it uses less digits than its factorization.

2100329988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035467 (or 6035465 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2100329988 is about 45829.3572723860. The cubic root of 2100329988 is about 1280.6462369915.

The spelling of 2100329988 in words is "two billion, one hundred million, three hundred twenty-nine thousand, nine hundred eighty-eight".