20127223 has 8 divisors (see below), whose sum is σ = 20732192. Its totient is φ = 19525536.

The previous prime is 20127203. The next prime is 20127253. The reversal of 20127223 is 32272102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20127223 - 2²¹ = 18030071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20127223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20127203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17461 + ... + 18577.

It is an arithmetic number, because the mean of its divisors is an integer number (2591524).

Almost surely, 2^20127223 is an apocalyptic number.

20127223 is a deficient number, since it is larger than the sum of its proper divisors (604969).

20127223 is a wasteful number, since it uses less digits than its factorization.

20127223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20127223 is about 4486.3373702832. The cubic root of 20127223 is about 272.0161061325.

Adding to 20127223 its reverse (32272102), we get a palindrome (52399325).

It can be divided in two parts, 201272 and 23, that added together give a triangular number (201295 = T₆₃₄).

The spelling of 20127223 in words is "twenty million, one hundred twenty-seven thousand, two hundred twenty-three".