4018204020 has 48 divisors (see below), whose sum is σ = 11307542400. Its totient is φ = 1066133376.

The previous prime is 4018204019. The next prime is 4018204039. The reversal of 4018204020 is 204028104.

It is a super-3 number, since 3×4018204020³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent 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, 156327 + ... + 180206.

It is an arithmetic number, because the mean of its divisors is an integer number (235573800).

Almost surely, 2^4018204020 is an apocalyptic number.

It is an amenable number.

4018204020 is an abundant number, since it is smaller than the sum of its proper divisors (7289338380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4018204020 is a wasteful number, since it uses less digits than its factorization.

4018204020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336744 (or 336742 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4018204020 is about 63389.3052493873. The cubic root of 4018204020 is about 1589.8054981414.

The spelling of 4018204020 in words is "four billion, eighteen million, two hundred four thousand, twenty".