20360224 has 12 divisors (see below), whose sum is σ = 40084254. Its totient is φ = 10180096.

The previous prime is 20360213. The next prime is 20360243. The reversal of 20360224 is 42206302.

It can be written as a sum of positive squares in only one way, i.e., 20250000 + 110224 = 4500^2 + 332^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318097 + ... + 318160.

Almost surely, 2^20360224 is an apocalyptic number.

It is an amenable number.

20360224 is a deficient number, since it is larger than the sum of its proper divisors (19724030).

20360224 is an equidigital number, since it uses as much as digits as its factorization.

20360224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636267 (or 636259 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20360224 is about 4512.2304905667. The cubic root of 20360224 is about 273.0617382855.

Adding to 20360224 its reverse (42206302), we get a palindrome (62566526).

The spelling of 20360224 in words is "twenty million, three hundred sixty thousand, two hundred twenty-four".