2005030140 has 48 divisors (see below), whose sum is σ = 5643509760. Its totient is φ = 531872320.

The previous prime is 2005030123. The next prime is 2005030147. The reversal of 2005030140 is 410305002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005030147) 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 15 ways as a sum of consecutive naturals, for example, 76020 + ... + 98939.

It is an arithmetic number, because the mean of its divisors is an integer number (117573120).

Almost surely, 2^2005030140 is an apocalyptic number.

2005030140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005030140 is an abundant number, since it is smaller than the sum of its proper divisors (3638479620).

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

2005030140 is a wasteful number, since it uses less digits than its factorization.

2005030140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175162 (or 175160 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2005030140 is about 44777.5629082245. The cubic root of 2005030140 is about 1260.9764288165.

Adding to 2005030140 its reverse (410305002), we get a palindrome (2415335142).

The spelling of 2005030140 in words is "two billion, five million, thirty thousand, one hundred forty".