20360250 has 48 divisors (see below), whose sum is σ = 55060200. Its totient is φ = 5428800.

The previous prime is 20360243. The next prime is 20360279. The reversal of 20360250 is 5206302.

It can be written as a sum of positive squares in 4 ways, for example, as 9529569 + 10830681 = 3087^2 + 3291^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2275 + ... + 6774.

Almost surely, 2^20360250 is an apocalyptic number.

20360250 is an abundant number, since it is smaller than the sum of its proper divisors (34699950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20360250 is a wasteful number, since it uses less digits than its factorization.

20360250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9072 (or 9059 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20360250 is about 4512.2333716243. The cubic root of 20360250 is about 273.0618545188.

Adding to 20360250 its reverse (5206302), we get a palindrome (25566552).

The spelling of 20360250 in words is "twenty million, three hundred sixty thousand, two hundred fifty".