2099999902 has 64 divisors (see below), whose sum is σ = 4478229504. Its totient is φ = 710807040.

The previous prime is 2099999899. The next prime is 2099999911.

2099999902 is nontrivially palindromic in base 10.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 3183 + ... + 64885.

It is an arithmetic number, because the mean of its divisors is an integer number (69972336).

Almost surely, 2^2099999902 is an apocalyptic number.

2099999902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2099999902 is an abundant number, since it is smaller than the sum of its proper divisors (2378229602).

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

2099999902 is a wasteful number, since it uses less digits than its factorization.

2099999902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61753.

The product of its (nonzero) digits is 2125764, while the sum is 58.

The square root of 2099999902 is about 45825.7558802907. The cubic root of 2099999902 is about 1280.5791450674.

It can be divided in two parts, 2099 and 999902, that added together give a palindrome (1002001).

The spelling of 2099999902 in words is "two billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred two".