20128060 has 24 divisors (see below), whose sum is σ = 42403536. Its totient is φ = 8025600.

The previous prime is 20128033. The next prime is 20128061. The reversal of 20128060 is 6082102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20128061) 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 7 ways as a sum of consecutive naturals, for example, 5635 + ... + 8485.

It is an arithmetic number, because the mean of its divisors is an integer number (1766814).

Almost surely, 2^20128060 is an apocalyptic number.

20128060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20128060 is an abundant number, since it is smaller than the sum of its proper divisors (22275476).

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

20128060 is a wasteful number, since it uses less digits than its factorization.

20128060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213 (or 3211 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20128060 is about 4486.4306525344. The cubic root of 20128060 is about 272.0198767193.

The spelling of 20128060 in words is "twenty million, one hundred twenty-eight thousand, sixty".