2543206020 has 48 divisors (see below), whose sum is σ = 7137271680. Its totient is φ = 676636416.

The previous prime is 2543206019. The next prime is 2543206027. The reversal of 2543206020 is 206023452.

2543206020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2543206027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21937 + ... + 74616.

It is an arithmetic number, because the mean of its divisors is an integer number (148693160).

Almost surely, 2^2543206020 is an apocalyptic number.

2543206020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2543206020 is an abundant number, since it is smaller than the sum of its proper divisors (4594065660).

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

2543206020 is a wasteful number, since it uses less digits than its factorization.

2543206020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97004 (or 97002 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2543206020 is about 50430.2093987324. The cubic root of 2543206020 is about 1364.9828064761.

Adding to 2543206020 its reverse (206023452), we get a palindrome (2749229472).

The spelling of 2543206020 in words is "two billion, five hundred forty-three million, two hundred six thousand, twenty".