2103002028 has 60 divisors (see below), whose sum is σ = 5614674912. Its totient is φ = 686080800.

The previous prime is 2103002021. The next prime is 2103002059. The reversal of 2103002028 is 8202003012.

It is a happy number.

It is a super-2 number, since 2×2103002028² = 8845235059544225568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2103002028.

It is not an unprimeable number, because it can be changed into a prime (2103002021) 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 19 ways as a sum of consecutive naturals, for example, 53823 + ... + 84278.

Almost surely, 2^2103002028 is an apocalyptic number.

It is an amenable number.

2103002028 is an abundant number, since it is smaller than the sum of its proper divisors (3511672884).

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

2103002028 is a wasteful number, since it uses less digits than its factorization.

2103002028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138164 (or 138153 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2103002028 is about 45858.5000626928. The cubic root of 2103002028 is about 1281.1890862716.

The spelling of 2103002028 in words is "two billion, one hundred three million, two thousand, twenty-eight".