2015002020200 has 192 divisors, whose sum is σ = 5415221997360. Its totient is φ = 690642616320.

The previous prime is 2015002020197. The next prime is 2015002020209. The reversal of 2015002020200 is 20202005102.

It can be written as a sum of positive squares in 24 ways, for example, as 108719235076 + 1906282785124 = 329726^2 + 1380682^2 .

It is not an unprimeable number, because it can be changed into a prime (2015002020209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2914352 + ... + 3538848.

Almost surely, 2^{2015002020200} is an apocalyptic number.

2015002020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2015002020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2707610998680).

2015002020200 is an abundant number, since it is smaller than the sum of its proper divisors (3400219977160).

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

2015002020200 is a wasteful number, since it uses less digits than its factorization.

2015002020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624616 (or 624607 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

Adding to 2015002020200 its reverse (20202005102), we get a palindrome (2035204025302).

The spelling of 2015002020200 in words is "two trillion, fifteen billion, two million, twenty thousand, two hundred".