4004202002020 has 48 divisors (see below), whose sum is σ = 9173930992128. Its totient is φ = 1455967388160.

The previous prime is 4004202001997. The next prime is 4004202002093. The reversal of 4004202002020 is 202002024004.

It is a junction number, because it is equal to n+sod(n) for n = 4004202001985 and 4004202002003.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2396077 + ... + 3708043.

It is an arithmetic number, because the mean of its divisors is an integer number (191123562336).

Almost surely, 2^{4004202002020} is an apocalyptic number.

It is an amenable number.

4004202002020 is an abundant number, since it is smaller than the sum of its proper divisors (5169728990108).

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

4004202002020 is a wasteful number, since it uses less digits than its factorization.

4004202002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325860 (or 1325858 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 4004202002020 its reverse (202002024004), we get a palindrome (4206204026024).

The spelling of 4004202002020 in words is "four trillion, four billion, two hundred two million, two thousand, twenty".