20202000210221 has 8 divisors (see below), whose sum is σ = 22189840048320. Its totient is φ = 18306618039072.

The previous prime is 20202000210127. The next prime is 20202000210241. The reversal of 20202000210221 is 12201200020202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202000210221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20202000210196 and 20202000210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202000210241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23114416280 + ... + 23114417153.

It is an arithmetic number, because the mean of its divisors is an integer number (2773730006040).

Almost surely, 2^{20202000210221} is an apocalyptic number.

It is an amenable number.

20202000210221 is a deficient number, since it is larger than the sum of its proper divisors (1987839838099).

20202000210221 is a wasteful number, since it uses less digits than its factorization.

20202000210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46228833475.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20202000210221 its reverse (12201200020202), we get a palindrome (32403200230423).

The spelling of 20202000210221 in words is "twenty trillion, two hundred two billion, two hundred ten thousand, two hundred twenty-one".