20212302202223 has 4 divisors (see below), whose sum is σ = 20212327337928. Its totient is φ = 20212277066520.

The previous prime is 20212302202187. The next prime is 20212302202259. The reversal of 20212302202223 is 32220220321202.

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

It is an interprime number because it is at equal distance from previous prime (20212302202187) and next prime (20212302202259).

It is a cyclic number.

It is not a de Polignac number, because 20212302202223 - 2¹⁰ = 20212302201199 is a prime.

It is a super-2 number, since 2×20212302202223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212302202423) 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, 11320388 + ... + 12983673.

It is an arithmetic number, because the mean of its divisors is an integer number (5053081834482).

Almost surely, 2^{20212302202223} is an apocalyptic number.

20212302202223 is a deficient number, since it is larger than the sum of its proper divisors (25135705).

20212302202223 is an equidigital number, since it uses as much as digits as its factorization.

20212302202223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25135704.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20212302202223 its reverse (32220220321202), we get a palindrome (52432522523425).

The spelling of 20212302202223 in words is "twenty trillion, two hundred twelve billion, three hundred two million, two hundred two thousand, two hundred twenty-three".