4055042020 has 24 divisors (see below), whose sum is σ = 8598268224. Its totient is φ = 1606268256.

The previous prime is 4055042009. The next prime is 4055042021. The reversal of 4055042020 is 202405504.

It is a junction number, because it is equal to n+sod(n) for n = 4055041982 and 4055042000.

It is not an unprimeable number, because it can be changed into a prime (4055042021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982174 + ... + 986293.

It is an arithmetic number, because the mean of its divisors is an integer number (358261176).

Almost surely, 2^4055042020 is an apocalyptic number.

It is an amenable number.

4055042020 is an abundant number, since it is smaller than the sum of its proper divisors (4543226204).

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

4055042020 is a wasteful number, since it uses less digits than its factorization.

4055042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968579 (or 1968577 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4055042020 is about 63679.2118355747. The cubic root of 4055042020 is about 1594.6490542492.

Adding to 4055042020 its reverse (202405504), we get a palindrome (4257447524).

The spelling of 4055042020 in words is "four billion, fifty-five million, forty-two thousand, twenty".