20416068 has 36 divisors (see below), whose sum is σ = 51799020. Its totient is φ = 6780096.

The previous prime is 20416063. The next prime is 20416093. The reversal of 20416068 is 86061402.

It can be written as a sum of positive squares in 2 ways, for example, as 10227204 + 10188864 = 3198^2 + 3192^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (20416061) 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 11 ways as a sum of consecutive naturals, for example, 10518 + ... + 12306.

Almost surely, 2^20416068 is an apocalyptic number.

It is an amenable number.

20416068 is an abundant number, since it is smaller than the sum of its proper divisors (31382952).

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

20416068 is a wasteful number, since it uses less digits than its factorization.

20416068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20416068 is about 4518.4143236317. The cubic root of 20416068 is about 273.3111615303.

The spelling of 20416068 in words is "twenty million, four hundred sixteen thousand, sixty-eight".