2100806052 has 96 divisors (see below), whose sum is σ = 5244583680. Its totient is φ = 653291520.

The previous prime is 2100806051. The next prime is 2100806053. The reversal of 2100806052 is 2506080012.

It is an interprime number because it is at equal distance from previous prime (2100806051) and next prime (2100806053).

It is not an unprimeable number, because it can be changed into a prime (2100806051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1611633 + ... + 1612935.

It is an arithmetic number, because the mean of its divisors is an integer number (54631080).

Almost surely, 2^2100806052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100806052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2622291840).

2100806052 is an abundant number, since it is smaller than the sum of its proper divisors (3143777628).

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

2100806052 is a wasteful number, since it uses less digits than its factorization.

2100806052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2100806052 is about 45834.5508541319. The cubic root of 2100806052 is about 1280.7429874254.

Adding to 2100806052 its reverse (2506080012), we get a palindrome (4606886064).

The spelling of 2100806052 in words is "two billion, one hundred million, eight hundred six thousand, fifty-two".