20003130022221 has 24 divisors (see below), whose sum is σ = 30414300384000. Its totient is φ = 12633479140032.

The previous prime is 20003130022201. The next prime is 20003130022243. The reversal of 20003130022221 is 12222003130002.

It is not a de Polignac number, because 20003130022221 - 2⁶ = 20003130022157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20003130022194 and 20003130022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003130022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44250340 + ... + 44700098.

It is an arithmetic number, because the mean of its divisors is an integer number (1267262516000).

Almost surely, 2^{20003130022221} is an apocalyptic number.

It is an amenable number.

20003130022221 is a deficient number, since it is larger than the sum of its proper divisors (10411170361779).

20003130022221 is a wasteful number, since it uses less digits than its factorization.

20003130022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709873 (or 709870 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20003130022221 its reverse (12222003130002), we get a palindrome (32225133152223).

The spelling of 20003130022221 in words is "twenty trillion, three billion, one hundred thirty million, twenty-two thousand, two hundred twenty-one".