20536078 has 8 divisors (see below), whose sum is σ = 30849120. Its totient is φ = 10253040.

The previous prime is 20536063. The next prime is 20536081. The reversal of 20536078 is 87063502.

20536078 is nontrivially palindromic in base 13.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 5703 + ... + 8578.

It is an arithmetic number, because the mean of its divisors is an integer number (3856140).

Almost surely, 2^20536078 is an apocalyptic number.

20536078 is a deficient number, since it is larger than the sum of its proper divisors (10313042).

20536078 is a wasteful number, since it uses less digits than its factorization.

20536078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15002.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 20536078 is about 4531.6749662790. The cubic root of 20536078 is about 273.8456427201.

The spelling of 20536078 in words is "twenty million, five hundred thirty-six thousand, seventy-eight".