2102003240 has 16 divisors (see below), whose sum is σ = 4729507380. Its totient is φ = 840801280.

The previous prime is 2102003237. The next prime is 2102003243. The reversal of 2102003240 is 423002012.

It is an interprime number because it is at equal distance from previous prime (2102003237) and next prime (2102003243).

It can be written as a sum of positive squares in 2 ways, for example, as 1702882756 + 399120484 = 41266^2 + 19978^2 .

It is not an unprimeable number, because it can be changed into a prime (2102003243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26275001 + ... + 26275080.

Almost surely, 2^2102003240 is an apocalyptic number.

2102003240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102003240 is an abundant number, since it is smaller than the sum of its proper divisors (2627504140).

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

2102003240 is a wasteful number, since it uses less digits than its factorization.

2102003240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52550092 (or 52550088 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2102003240 is about 45847.6088798533. The cubic root of 2102003240 is about 1280.9862272313.

Adding to 2102003240 its reverse (423002012), we get a palindrome (2525005252).

The spelling of 2102003240 in words is "two billion, one hundred two million, three thousand, two hundred forty".