20202010221 has 8 divisors (see below), whose sum is σ = 26941068864. Its totient is φ = 13465479200.

The previous prime is 20202010211. The next prime is 20202010253. The reversal of 20202010221 is 12201020202.

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

It is a cyclic number.

It is not a de Polignac number, because 20202010221 - 2¹⁰ = 20202009197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20202010197 and 20202010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202010211) 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, 613176 + ... + 645281.

It is an arithmetic number, because the mean of its divisors is an integer number (3367633608).

Almost surely, 2^20202010221 is an apocalyptic number.

It is an amenable number.

20202010221 is a deficient number, since it is larger than the sum of its proper divisors (6739058643).

20202010221 is a wasteful number, since it uses less digits than its factorization.

20202010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263811.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20202010221 its reverse (12201020202), we get a palindrome (32403030423).

The spelling of 20202010221 in words is "twenty billion, two hundred two million, ten thousand, two hundred twenty-one".