20051150 has 48 divisors (see below), whose sum is σ = 43390080. Its totient is φ = 6751200.

The previous prime is 20051149. The next prime is 20051159. The reversal of 20051150 is 5115002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20051159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20165 + ... + 21135.

It is an arithmetic number, because the mean of its divisors is an integer number (903960).

Almost surely, 2^20051150 is an apocalyptic number.

20051150 is an abundant number, since it is smaller than the sum of its proper divisors (23338930).

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

20051150 is a wasteful number, since it uses less digits than its factorization.

20051150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 20051150 is about 4477.8510470984. The cubic root of 20051150 is about 271.6729687691.

Adding to 20051150 its reverse (5115002), we get a palindrome (25166152).

The spelling of 20051150 in words is "twenty million, fifty-one thousand, one hundred fifty".