4020218404 has 12 divisors (see below), whose sum is σ = 7035910000. Its totient is φ = 2009958408.

The previous prime is 4020218383. The next prime is 4020218407. The reversal of 4020218404 is 4048120204.

It is not an unprimeable number, because it can be changed into a prime (4020218407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40147 + ... + 98245.

Almost surely, 2^4020218404 is an apocalyptic number.

It is an amenable number.

4020218404 is a deficient number, since it is larger than the sum of its proper divisors (3015691596).

4020218404 is a wasteful number, since it uses less digits than its factorization.

4020218404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75402 (or 75400 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 4020218404 is about 63405.1922479540. The cubic root of 4020218404 is about 1590.0711179508.

Adding to 4020218404 its reverse (4048120204), we get a palindrome (8068338608).

The spelling of 4020218404 in words is "four billion, twenty million, two hundred eighteen thousand, four hundred four".