20500160 has 28 divisors (see below), whose sum is σ = 48816768. Its totient is φ = 8199936.

The previous prime is 20500159. The next prime is 20500163. The reversal of 20500160 is 6100502.

It is not an unprimeable number, because it can be changed into a prime (20500163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31712 + ... + 32351.

It is an arithmetic number, because the mean of its divisors is an integer number (1743456).

Almost surely, 2^20500160 is an apocalyptic number.

20500160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20500160 is an abundant number, since it is smaller than the sum of its proper divisors (28316608).

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

20500160 is an equidigital number, since it uses as much as digits as its factorization.

20500160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64080 (or 64070 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 20500160 is about 4527.7102380784. The cubic root of 20500160 is about 273.6858957646.

Adding to 20500160 its reverse (6100502), we get a palindrome (26600662).

The spelling of 20500160 in words is "twenty million, five hundred thousand, one hundred sixty".