4020382020 has 48 divisors (see below), whose sum is σ = 11919253248. Its totient is φ = 1009036800.

The previous prime is 4020382019. The next prime is 4020382031. The reversal of 4020382020 is 202830204.

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, 1969756 + ... + 1971795.

It is an arithmetic number, because the mean of its divisors is an integer number (248317776).

Almost surely, 2^4020382020 is an apocalyptic number.

It is an amenable number.

4020382020 is an abundant number, since it is smaller than the sum of its proper divisors (7898871228).

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

4020382020 is a wasteful number, since it uses less digits than its factorization.

4020382020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941580 (or 3941578 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4020382020 is about 63406.4824761633. The cubic root of 4020382020 is about 1590.0926887147.

The spelling of 4020382020 in words is "four billion, twenty million, three hundred eighty-two thousand, twenty".