4020218582 has 16 divisors (see below), whose sum is σ = 6493277520. Its totient is φ = 1859801088.

The previous prime is 4020218567. The next prime is 4020218591. The reversal of 4020218582 is 2858120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000043 + ... + 1004054.

It is an arithmetic number, because the mean of its divisors is an integer number (405829845).

Almost surely, 2^4020218582 is an apocalyptic number.

4020218582 is a deficient number, since it is larger than the sum of its proper divisors (2473058938).

4020218582 is a wasteful number, since it uses less digits than its factorization.

4020218582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004175.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 4020218582 is about 63405.1936516245. The cubic root of 4020218582 is about 1590.0711414182.

Adding to 4020218582 its reverse (2858120204), we get a palindrome (6878338786).

The spelling of 4020218582 in words is "four billion, twenty million, two hundred eighteen thousand, five hundred eighty-two".