2540303020 has 12 divisors (see below), whose sum is σ = 5334636384. Its totient is φ = 1016121200.

The previous prime is 2540303009. The next prime is 2540303033. The reversal of 2540303020 is 203030452.

It is a super-2 number, since 2×2540303020² = 12906278866842240800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63507556 + ... + 63507595.

It is an arithmetic number, because the mean of its divisors is an integer number (444553032).

Almost surely, 2^2540303020 is an apocalyptic number.

2540303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540303020 is an abundant number, since it is smaller than the sum of its proper divisors (2794333364).

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

2540303020 is a wasteful number, since it uses less digits than its factorization.

2540303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127015160 (or 127015158 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 2540303020 is about 50401.4188292354. The cubic root of 2540303020 is about 1364.4632452445.

Adding to 2540303020 its reverse (203030452), we get a palindrome (2743333472).

The spelling of 2540303020 in words is "two billion, five hundred forty million, three hundred three thousand, twenty".