20001033131224 has 16 divisors (see below), whose sum is σ = 38209520841120. Its totient is φ = 9811827573600.

The previous prime is 20001033131173. The next prime is 20001033131249. The reversal of 20001033131224 is 42213133010002.

It is a junction number, because it is equal to n+sod(n) for n = 20001033131195 and 20001033131204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23586123552 + ... + 23586124399.

It is an arithmetic number, because the mean of its divisors is an integer number (2388095052570).

Almost surely, 2^{20001033131224} is an apocalyptic number.

It is an amenable number.

20001033131224 is a deficient number, since it is larger than the sum of its proper divisors (18208487709896).

20001033131224 is a wasteful number, since it uses less digits than its factorization.

20001033131224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47172248010 (or 47172248006 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20001033131224 its reverse (42213133010002), we get a palindrome (62214166141226).

The spelling of 20001033131224 in words is "twenty trillion, one billion, thirty-three million, one hundred thirty-one thousand, two hundred twenty-four".