20360225 has 12 divisors (see below), whose sum is σ = 25330224. Its totient is φ = 16234320.

The previous prime is 20360213. The next prime is 20360243. The reversal of 20360225 is 52206302.

It is a happy number.

It is not a de Polignac number, because 20360225 - 2²² = 16165921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20360197 and 20360206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7502 + ... + 9848.

It is an arithmetic number, because the mean of its divisors is an integer number (2110852).

Almost surely, 2^20360225 is an apocalyptic number.

20360225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20360225 is a deficient number, since it is larger than the sum of its proper divisors (4969999).

20360225 is a wasteful number, since it uses less digits than its factorization.

20360225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704 (or 2699 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20360225 is about 4512.2306013767. The cubic root of 20360225 is about 273.0617427561.

Adding to 20360225 its reverse (52206302), we get a palindrome (72566527).

The spelling of 20360225 in words is "twenty million, three hundred sixty thousand, two hundred twenty-five".