20002230202221 has 32 divisors (see below), whose sum is σ = 29675941591680. Its totient is φ = 13315478254848.

The previous prime is 20002230202219. The next prime is 20002230202259. The reversal of 20002230202221 is 12220203220002.

20002230202221 is a `hidden beast` number, since 20 + 0 + 0 + 223 + 0 + 202 + 221 = 666.

It is not a de Polignac number, because 20002230202221 - 2¹ = 20002230202219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002230202194 and 20002230202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002230202021) 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 31 ways as a sum of consecutive naturals, for example, 62014450 + ... + 62336156.

It is an arithmetic number, because the mean of its divisors is an integer number (927373174740).

Almost surely, 2^{20002230202221} is an apocalyptic number.

It is an amenable number.

20002230202221 is a deficient number, since it is larger than the sum of its proper divisors (9673711389459).

20002230202221 is a wasteful number, since it uses less digits than its factorization.

20002230202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325050 (or 325044 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20002230202221 its reverse (12220203220002), we get a palindrome (32222433422223).

The spelling of 20002230202221 in words is "twenty trillion, two billion, two hundred thirty million, two hundred two thousand, two hundred twenty-one".