20678127 has 8 divisors (see below), whose sum is σ = 28769664. Its totient is φ = 13186008.

The previous prime is 20678123. The next prime is 20678149. The reversal of 20678127 is 72187602.

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

It is not a de Polignac number, because 20678127 - 2² = 20678123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20678123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149773 + ... + 149910.

It is an arithmetic number, because the mean of its divisors is an integer number (3596208).

Almost surely, 2^20678127 is an apocalyptic number.

20678127 is a deficient number, since it is larger than the sum of its proper divisors (8091537).

20678127 is a wasteful number, since it uses less digits than its factorization.

20678127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299709.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 20678127 is about 4547.3208595831. The cubic root of 20678127 is about 274.4755934651.

The spelling of 20678127 in words is "twenty million, six hundred seventy-eight thousand, one hundred twenty-seven".