20025223 has 4 divisors (see below), whose sum is σ = 20078440. Its totient is φ = 19972008.

The previous prime is 20025211. The next prime is 20025227. The reversal of 20025223 is 32252002.

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 20025223 - 2⁵ = 20025191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20025197 and 20025206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26040 + ... + 26797.

It is an arithmetic number, because the mean of its divisors is an integer number (5019610).

Almost surely, 2^20025223 is an apocalyptic number.

20025223 is a deficient number, since it is larger than the sum of its proper divisors (53217).

20025223 is an equidigital number, since it uses as much as digits as its factorization.

20025223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53216.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 20025223 is about 4474.9550835735. The cubic root of 20025223 is about 271.5558233159. Note that the first 3 decimals are identical.

Adding to 20025223 its reverse (32252002), we get a palindrome (52277225).

It can be divided in two parts, 2002 and 5223, that added together give a square (7225 = 85²).

The spelling of 20025223 in words is "twenty million, twenty-five thousand, two hundred twenty-three".