20416078 has 4 divisors (see below), whose sum is σ = 30624120. Its totient is φ = 10208038.

The previous prime is 20416063. The next prime is 20416093. The reversal of 20416078 is 87061402.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20416063) and next prime (20416093).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5104018 + ... + 5104021.

It is an arithmetic number, because the mean of its divisors is an integer number (7656030).

Almost surely, 2^20416078 is an apocalyptic number.

20416078 is a deficient number, since it is larger than the sum of its proper divisors (10208042).

20416078 is a wasteful number, since it uses less digits than its factorization.

20416078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208041.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 20416078 is about 4518.4154302144. The cubic root of 20416078 is about 273.3112061538.

The spelling of 20416078 in words is "twenty million, four hundred sixteen thousand, seventy-eight".