2543727020 has 24 divisors (see below), whose sum is σ = 5348052864. Its totient is φ = 1016304896.

The previous prime is 2543727019. The next prime is 2543727029. The reversal of 2543727020 is 207273452.

It is not an unprimeable number, because it can be changed into a prime (2543727029) 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 7 ways as a sum of consecutive naturals, for example, 56429 + ... + 90948.

It is an arithmetic number, because the mean of its divisors is an integer number (222835536).

Almost surely, 2^2543727020 is an apocalyptic number.

2543727020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2543727020 is an abundant number, since it is smaller than the sum of its proper divisors (2804325844).

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

2543727020 is a wasteful number, since it uses less digits than its factorization.

2543727020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148249 (or 148247 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 2543727020 is about 50435.3746888035. The cubic root of 2543727020 is about 1365.0760100257.

The spelling of 2543727020 in words is "two billion, five hundred forty-three million, seven hundred twenty-seven thousand, twenty".