20000201000221 has 16 divisors (see below), whose sum is σ = 21548475592000. Its totient is φ = 18453327932160.

The previous prime is 20000201000207. The next prime is 20000201000237. The reversal of 20000201000221 is 12200010200002.

It is a cyclic number.

It is not a de Polignac number, because 20000201000221 - 2²⁹ = 19999664129309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000201000198 and 20000201000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000201000261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294767326 + ... + 294835168.

It is an arithmetic number, because the mean of its divisors is an integer number (1346779724500).

Almost surely, 2^{20000201000221} is an apocalyptic number.

It is an amenable number.

20000201000221 is a deficient number, since it is larger than the sum of its proper divisors (1548274591779).

20000201000221 is a wasteful number, since it uses less digits than its factorization.

20000201000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77836.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20000201000221 its reverse (12200010200002), we get a palindrome (32200211200223).

The spelling of 20000201000221 in words is "twenty trillion, two hundred one million, two hundred twenty-one", and thus it is an aban number.