20004224424020 has 24 divisors (see below), whose sum is σ = 42009602185824. Its totient is φ = 8001550551456.

The previous prime is 20004224424017. The next prime is 20004224424049. The reversal of 20004224424020 is 2042442240002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7518962 + ... + 9825641.

It is an arithmetic number, because the mean of its divisors is an integer number (1750400091076).

Almost surely, 2^{20004224424020} is an apocalyptic number.

20004224424020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004224424020 is an abundant number, since it is smaller than the sum of its proper divisors (22005377761804).

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

20004224424020 is a wasteful number, since it uses less digits than its factorization.

20004224424020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17402279 (or 17402277 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20004224424020 its reverse (2042442240002), we get a palindrome (22046666664022).

The spelling of 20004224424020 in words is "twenty trillion, four billion, two hundred twenty-four million, four hundred twenty-four thousand, twenty".