20001233313224 has 64 divisors (see below), whose sum is σ = 41088803126400. Its totient is φ = 9085299328000.

The previous prime is 20001233313223. The next prime is 20001233313227. The reversal of 20001233313224 is 42231333210002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20001233313193 and 20001233313202.

It is not an unprimeable number, because it can be changed into a prime (20001233313223) 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 in 15 ways as a sum of consecutive naturals, for example, 13787699 + ... + 15169149.

It is an arithmetic number, because the mean of its divisors is an integer number (642012548850).

Almost surely, 2^{20001233313224} is an apocalyptic number.

It is an amenable number.

20001233313224 is an abundant number, since it is smaller than the sum of its proper divisors (21087569813176).

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

20001233313224 is a wasteful number, since it uses less digits than its factorization.

20001233313224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385174 (or 1385170 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20001233313224 its reverse (42231333210002), we get a palindrome (62232566523226).

The spelling of 20001233313224 in words is "twenty trillion, one billion, two hundred thirty-three million, three hundred thirteen thousand, two hundred twenty-four".