20051170 has 16 divisors (see below), whose sum is σ = 37661760. Its totient is φ = 7671664.

The previous prime is 20051159. The next prime is 20051179. The reversal of 20051170 is 7115002.

It is not an unprimeable number, because it can be changed into a prime (20051179) 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 in 7 ways as a sum of consecutive naturals, for example, 43360 + ... + 43819.

It is an arithmetic number, because the mean of its divisors is an integer number (2353860).

Almost surely, 2^20051170 is an apocalyptic number.

20051170 is a deficient number, since it is larger than the sum of its proper divisors (17610590).

20051170 is a wasteful number, since it uses less digits than its factorization.

20051170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87209.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 20051170 is about 4477.8532803119. The cubic root of 20051170 is about 271.6730590957.

Adding to 20051170 its reverse (7115002), we get a palindrome (27166172).

The spelling of 20051170 in words is "twenty million, fifty-one thousand, one hundred seventy".