20042002424404 has 12 divisors (see below), whose sum is σ = 36282935423700. Its totient is φ = 9675449446208.

The previous prime is 20042002424383. The next prime is 20042002424407. The reversal of 20042002424404 is 40442420024002.

It can be written as a sum of positive squares in 2 ways, for example, as 7291404067600 + 12750598356804 = 2700260^2 + 3570798^2 .

It is a super-2 number, since 2×20042002424404² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042002424407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86387941369 + ... + 86387941600.

It is an arithmetic number, because the mean of its divisors is an integer number (3023577951975).

Almost surely, 2^{20042002424404} is an apocalyptic number.

It is an amenable number.

20042002424404 is a deficient number, since it is larger than the sum of its proper divisors (16240932999296).

20042002424404 is a wasteful number, since it uses less digits than its factorization.

20042002424404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172775883002 (or 172775883000 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20042002424404 its reverse (40442420024002), we get a palindrome (60484422448406).

The spelling of 20042002424404 in words is "twenty trillion, forty-two billion, two million, four hundred twenty-four thousand, four hundred four".