20020201223 has 4 divisors (see below), whose sum is σ = 21840219528. Its totient is φ = 18200182920.

The previous prime is 20020201183. The next prime is 20020201237. The reversal of 20020201223 is 32210202002.

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 20020201223 - 2¹⁴ = 20020184839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020201198 and 20020201207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020200223) 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, 910009136 + ... + 910009157.

It is an arithmetic number, because the mean of its divisors is an integer number (5460054882).

Almost surely, 2^20020201223 is an apocalyptic number.

20020201223 is a deficient number, since it is larger than the sum of its proper divisors (1820018305).

20020201223 is a wasteful number, since it uses less digits than its factorization.

20020201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820018304.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20020201223 its reverse (32210202002), we get a palindrome (52230403225).

The spelling of 20020201223 in words is "twenty billion, twenty million, two hundred one thousand, two hundred twenty-three".