20360246 has 4 divisors (see below), whose sum is σ = 30540372. Its totient is φ = 10180122.

The previous prime is 20360243. The next prime is 20360279. The reversal of 20360246 is 64206302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20360243) 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 as a sum of consecutive naturals, namely, 5090060 + ... + 5090063.

It is an arithmetic number, because the mean of its divisors is an integer number (7635093).

Almost surely, 2^20360246 is an apocalyptic number.

20360246 is a deficient number, since it is larger than the sum of its proper divisors (10180126).

20360246 is a wasteful number, since it uses less digits than its factorization.

20360246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10180125.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20360246 is about 4512.2329283848. The cubic root of 20360246 is about 273.0618366367.

Adding to 20360246 its reverse (64206302), we get a palindrome (84566548).

The spelling of 20360246 in words is "twenty million, three hundred sixty thousand, two hundred forty-six".