20043402403224 has 64 divisors (see below), whose sum is σ = 50413227379200. Its totient is φ = 6640512034304.

The previous prime is 20043402403163. The next prime is 20043402403309. The reversal of 20043402403224 is 42230420434002.

It is a junction number, because it is equal to n+sod(n) for n = 20043402403191 and 20043402403200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44090317 + ... + 44542595.

It is an arithmetic number, because the mean of its divisors is an integer number (787706677800).

Almost surely, 2^{20043402403224} is an apocalyptic number.

20043402403224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20043402403224 is an abundant number, since it is smaller than the sum of its proper divisors (30369824975976).

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

20043402403224 is a wasteful number, since it uses less digits than its factorization.

20043402403224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463512 (or 463508 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 20043402403224 its reverse (42230420434002), we get a palindrome (62273822837226).

The spelling of 20043402403224 in words is "twenty trillion, forty-three billion, four hundred two million, four hundred three thousand, two hundred twenty-four".