202120201 has 8 divisors (see below), whose sum is σ = 207825408. Its totient is φ = 196452000.

The previous prime is 202120187. The next prime is 202120249. The reversal of 202120201 is 102021202.

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-202120201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202120801) 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, 2016 + ... + 20206.

It is an arithmetic number, because the mean of its divisors is an integer number (25978176).

Almost surely, 2^202120201 is an apocalyptic number.

It is an amenable number.

202120201 is a deficient number, since it is larger than the sum of its proper divisors (5705207).

202120201 is a wasteful number, since it uses less digits than its factorization.

202120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18503.

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

The square root of 202120201 is about 14216.8984310925. The cubic root of 202120201 is about 586.8627897933.

Adding to 202120201 its reverse (102021202), we get a palindrome (304141403).

It can be divided in two parts, 2021 and 20201, that added together give a palindrome (22222).

The spelling of 202120201 in words is "two hundred two million, one hundred twenty thousand, two hundred one".