20361150 has 36 divisors (see below), whose sum is σ = 54704832. Its totient is φ = 5429520.

The previous prime is 20361139. The next prime is 20361157. The reversal of 20361150 is 5116302.

20361150 is a `hidden beast` number, since 2 + 0 + 3 + 611 + 50 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20361157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22174 + ... + 23073.

Almost surely, 2^20361150 is an apocalyptic number.

20361150 is an abundant number, since it is smaller than the sum of its proper divisors (34343682).

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

20361150 is a wasteful number, since it uses less digits than its factorization.

20361150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45265 (or 45257 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 20361150 is about 4512.3330994066. Note that the first 3 decimals coincide. The cubic root of 20361150 is about 273.0658779148.

Adding to 20361150 its reverse (5116302), we get a palindrome (25477452).

The spelling of 20361150 in words is "twenty million, three hundred sixty-one thousand, one hundred fifty".