2000015000028 has 216 divisors, whose sum is σ = 5297552966160. Its totient is φ = 635966622720.

The previous prime is 2000015000023. The next prime is 2000015000029. The reversal of 2000015000028 is 8200005100002.

2000015000028 is a nontrivial binomial coefficient, being equal to C(2000008, 2).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000015000021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 549000375 + ... + 549004017.

Almost surely, 2^{2000015000028} is an apocalyptic number.

2000015000028 is the 2000007-th triangular number and also the 1000004-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000015000028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2648776483080).

2000015000028 is an abundant number, since it is smaller than the sum of its proper divisors (3297537966132).

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

2000015000028 is a wasteful number, since it uses less digits than its factorization.

2000015000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909 (or 3851 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The spelling of 2000015000028 in words is "two trillion, fifteen million, twenty-eight", and thus it is an aban number and an uban number.