201020220201 has 4 divisors (see below), whose sum is σ = 268026960272. Its totient is φ = 134013480132.

The previous prime is 201020220143. The next prime is 201020220227. The reversal of 201020220201 is 102022020102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 201020220201 - 2²³ = 201011831593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201020220101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33503370031 + ... + 33503370036.

It is an arithmetic number, because the mean of its divisors is an integer number (67006740068).

Almost surely, 2^201020220201 is an apocalyptic number.

It is an amenable number.

201020220201 is a deficient number, since it is larger than the sum of its proper divisors (67006740071).

201020220201 is an equidigital number, since it uses as much as digits as its factorization.

201020220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67006740070.

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

Adding to 201020220201 its reverse (102022020102), we get a palindrome (303042240303).

The spelling of 201020220201 in words is "two hundred one billion, twenty million, two hundred twenty thousand, two hundred one".