4020013585 has 16 divisors (see below), whose sum is σ = 5532656256. Its totient is φ = 2746833408.

The previous prime is 4020013561. The next prime is 4020013607. The reversal of 4020013585 is 5853100204.

4020013585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4020013585 - 2⁷ = 4020013457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193024 + ... + 212833.

It is an arithmetic number, because the mean of its divisors is an integer number (345791016).

Almost surely, 2^4020013585 is an apocalyptic number.

It is an amenable number.

4020013585 is a deficient number, since it is larger than the sum of its proper divisors (1512642671).

4020013585 is a wasteful number, since it uses less digits than its factorization.

4020013585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406152.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 4020013585 is about 63403.5770678595. The cubic root of 4020013585 is about 1590.0441142514.

Adding to 4020013585 its reverse (5853100204), we get a palindrome (9873113789).

The spelling of 4020013585 in words is "four billion, twenty million, thirteen thousand, five hundred eighty-five".