201020223 has 32 divisors (see below), whose sum is σ = 293255424. Its totient is φ = 121969152.

The previous prime is 201020201. The next prime is 201020233. The reversal of 201020223 is 322020102.

It is not a de Polignac number, because 201020223 - 2⁵ = 201020191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201020199 and 201020208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 579136 + ... + 579482.

It is an arithmetic number, because the mean of its divisors is an integer number (9164232).

Almost surely, 2^201020223 is an apocalyptic number.

201020223 is a deficient number, since it is larger than the sum of its proper divisors (92235201).

201020223 is a wasteful number, since it uses less digits than its factorization.

201020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 201020223 is about 14178.1600710388. The cubic root of 201020223 is about 585.7962449797.

Adding to 201020223 its reverse (322020102), we get a palindrome (523040325).

The spelling of 201020223 in words is "two hundred one million, twenty thousand, two hundred twenty-three".