4020535263 has 32 divisors (see below), whose sum is σ = 5873241600. Its totient is φ = 2438384256.

The previous prime is 4020535231. The next prime is 4020535307. The reversal of 4020535263 is 3625350204.

It is not a de Polignac number, because 4020535263 - 2⁵ = 4020535231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4020535263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020535163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119073 + ... + 149061.

It is an arithmetic number, because the mean of its divisors is an integer number (183538800).

Almost surely, 2^4020535263 is an apocalyptic number.

4020535263 is a deficient number, since it is larger than the sum of its proper divisors (1852706337).

4020535263 is a wasteful number, since it uses less digits than its factorization.

4020535263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30111.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 4020535263 is about 63407.6908821004. The cubic root of 4020535263 is about 1590.1128913950.

Adding to 4020535263 its reverse (3625350204), we get a palindrome (7645885467).

The spelling of 4020535263 in words is "four billion, twenty million, five hundred thirty-five thousand, two hundred sixty-three".