20004200420024 has 8 divisors (see below), whose sum is σ = 37507875787560. Its totient is φ = 10002100210008.

The previous prime is 20004200420021. The next prime is 20004200420081. The reversal of 20004200420024 is 42002400240002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×20004200420024³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20004200419978 and 20004200420005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004200420021) 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 as a sum of consecutive naturals, namely, 1250262526244 + ... + 1250262526259.

It is an arithmetic number, because the mean of its divisors is an integer number (4688484473445).

Almost surely, 2^{20004200420024} is an apocalyptic number.

It is an amenable number.

20004200420024 is a deficient number, since it is larger than the sum of its proper divisors (17503675367536).

20004200420024 is a wasteful number, since it uses less digits than its factorization.

20004200420024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500525052509 (or 2500525052505 counting only the distinct ones).

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

Adding to 20004200420024 its reverse (42002400240002), we get a palindrome (62006600660026).

The spelling of 20004200420024 in words is "twenty trillion, four billion, two hundred million, four hundred twenty thousand, twenty-four".