4020363543 has 16 divisors (see below), whose sum is σ = 6129043200. Its totient is φ = 2296310016.

The previous prime is 4020363517. The next prime is 4020363553. The reversal of 4020363543 is 3453630204.

It is not a de Polignac number, because 4020363543 - 2¹⁰ = 4020362519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4020363543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020363553) 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, 5383 + ... + 89831.

It is an arithmetic number, because the mean of its divisors is an integer number (383065200).

Almost surely, 2^4020363543 is an apocalyptic number.

4020363543 is a deficient number, since it is larger than the sum of its proper divisors (2108679657).

4020363543 is a wasteful number, since it uses less digits than its factorization.

4020363543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86726.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 4020363543 is about 63406.3367732280. The cubic root of 4020363543 is about 1590.0902527781.

Adding to 4020363543 its reverse (3453630204), we get a palindrome (7473993747).

The spelling of 4020363543 in words is "four billion, twenty million, three hundred sixty-three thousand, five hundred forty-three".