20627223 has 16 divisors (see below), whose sum is σ = 28605696. Its totient is φ = 13210560.

The previous prime is 20627221. The next prime is 20627227. The reversal of 20627223 is 32272602.

It is not a de Polignac number, because 20627223 - 2¹ = 20627221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20627193 and 20627202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20627221) 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, 6990 + ... + 9492.

It is an arithmetic number, because the mean of its divisors is an integer number (1787856).

Almost surely, 2^20627223 is an apocalyptic number.

20627223 is a deficient number, since it is larger than the sum of its proper divisors (7978473).

20627223 is a wasteful number, since it uses less digits than its factorization.

20627223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20627223 is about 4541.7202687968. The cubic root of 20627223 is about 274.2501799747.

Adding to 20627223 its reverse (32272602), we get a palindrome (52899825).

The spelling of 20627223 in words is "twenty million, six hundred twenty-seven thousand, two hundred twenty-three".