4020204202004 has 12 divisors (see below), whose sum is σ = 7042558340244. Its totient is φ = 2008044676224.

The previous prime is 4020204201973. The next prime is 4020204202033. The reversal of 4020204202004 is 4002024020204.

It can be written as a sum of positive squares in 2 ways, for example, as 3465331171600 + 554873030404 = 1861540^2 + 744898^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 514351799 + ... + 514359614.

It is an arithmetic number, because the mean of its divisors is an integer number (586879861687).

Almost surely, 2^{4020204202004} is an apocalyptic number.

It is an amenable number.

4020204202004 is a deficient number, since it is larger than the sum of its proper divisors (3022354138240).

4020204202004 is a wasteful number, since it uses less digits than its factorization.

4020204202004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028712394 (or 1028712392 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 4020204202004 its reverse (4002024020204), we get a palindrome (8022228222208).

The spelling of 4020204202004 in words is "four trillion, twenty billion, two hundred four million, two hundred two thousand, four".