2102005104 has 40 divisors (see below), whose sum is σ = 5442016272. Its totient is φ = 699141120.

The previous prime is 2102005079. The next prime is 2102005123. The reversal of 2102005104 is 4015002012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25369 + ... + 69624.

Almost surely, 2^2102005104 is an apocalyptic number.

2102005104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2102005104 is an abundant number, since it is smaller than the sum of its proper divisors (3340011168).

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

2102005104 is a wasteful number, since it uses less digits than its factorization.

2102005104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95465 (or 95459 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2102005104 is about 45847.6292080627. The cubic root of 2102005104 is about 1280.9866058792.

Adding to 2102005104 its reverse (4015002012), we get a palindrome (6117007116).

The spelling of 2102005104 in words is "two billion, one hundred two million, five thousand, one hundred four".