2002027500 has 180 divisors, whose sum is σ = 6899572680. Its totient is φ = 485280000.

The previous prime is 2002027403. The next prime is 2002027501. The reversal of 2002027500 is 57202002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (180).

It is a super-2 number, since 2×2002027500² = 8016228221512500000, which contains 22 as substring.

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 (2002027501) 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 59 ways as a sum of consecutive naturals, for example, 243456 + ... + 251544.

Almost surely, 2^2002027500 is an apocalyptic number.

2002027500 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 2002027500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3449786340).

2002027500 is an abundant number, since it is smaller than the sum of its proper divisors (4897545180).

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

2002027500 is a wasteful number, since it uses less digits than its factorization.

2002027500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130 (or 8110 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2002027500 is about 44744.0219470713. The cubic root of 2002027500 is about 1260.3466544298.

Adding to 2002027500 its reverse (57202002), we get a palindrome (2059229502).

It can be divided in two parts, 200202 and 7500, that added together give a palindrome (207702).

The spelling of 2002027500 in words is "two billion, two million, twenty-seven thousand, five hundred".