201020220223 has 4 divisors (see below), whose sum is σ = 207504743488. Its totient is φ = 194535696960.

The previous prime is 201020220143. The next prime is 201020220227. The reversal of 201020220223 is 322022020102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201020220223 - 2¹³ = 201020212031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201020220197 and 201020220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020220227) 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, 3242261586 + ... + 3242261647.

It is an arithmetic number, because the mean of its divisors is an integer number (51876185872).

Almost surely, 2^201020220223 is an apocalyptic number.

201020220223 is a deficient number, since it is larger than the sum of its proper divisors (6484523265).

201020220223 is an equidigital number, since it uses as much as digits as its factorization.

201020220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484523264.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 201020220223 its reverse (322022020102), we get a palindrome (523042240325).

The spelling of 201020220223 in words is "two hundred one billion, twenty million, two hundred twenty thousand, two hundred twenty-three".