202310020221 has 8 divisors (see below), whose sum is σ = 269751199200. Its totient is φ = 134871094032.

The previous prime is 202310020189. The next prime is 202310020291. The reversal of 202310020221 is 122020013202.

It is a happy number.

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

It is not a de Polignac number, because 202310020221 - 2⁵ = 202310020189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202310020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202310020291) 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, 341146 + ... + 721803.

It is an arithmetic number, because the mean of its divisors is an integer number (33718899900).

Almost surely, 2^202310020221 is an apocalyptic number.

It is an amenable number.

202310020221 is a deficient number, since it is larger than the sum of its proper divisors (67441178979).

202310020221 is a wasteful number, since it uses less digits than its factorization.

202310020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126395.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 202310020221 its reverse (122020013202), we get a palindrome (324330033423).

The spelling of 202310020221 in words is "two hundred two billion, three hundred ten million, twenty thousand, two hundred twenty-one".