20027223 has 16 divisors (see below), whose sum is σ = 29752800. Its totient is φ = 13314240.

The previous prime is 20027221. The next prime is 20027251. The reversal of 20027223 is 32272002.

It is not a de Polignac number, because 20027223 - 2¹ = 20027221 is a prime.

It is a super-2 number, since 2×20027223² = 802179322183458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20027196 and 20027205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20027221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11643 + ... + 13251.

It is an arithmetic number, because the mean of its divisors is an integer number (1859550).

Almost surely, 2^20027223 is an apocalyptic number.

20027223 is a deficient number, since it is larger than the sum of its proper divisors (9725577).

20027223 is a wasteful number, since it uses less digits than its factorization.

20027223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079 (or 2073 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 20027223 is about 4475.1785439243. The cubic root of 20027223 is about 271.5648634743.

Adding to 20027223 its reverse (32272002), we get a palindrome (52299225).

The spelling of 20027223 in words is "twenty million, twenty-seven thousand, two hundred twenty-three".