4020421012204 has 12 divisors (see below), whose sum is σ = 7035751676800. Its totient is φ = 2010206247408.

The previous prime is 4020421012171. The next prime is 4020421012207. The reversal of 4020421012204 is 4022101240204.

It is not an unprimeable number, because it can be changed into a prime (4020421012207) 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, 2113717 + ... + 3536755.

Almost surely, 2^{4020421012204} is an apocalyptic number.

It is an amenable number.

4020421012204 is a deficient number, since it is larger than the sum of its proper divisors (3015330664596).

4020421012204 is a wasteful number, since it uses less digits than its factorization.

4020421012204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129352 (or 2129350 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 4020421012204 its reverse (4022101240204), we get a palindrome (8042522252408).

The spelling of 4020421012204 in words is "four trillion, twenty billion, four hundred twenty-one million, twelve thousand, two hundred four".