20084678 has 8 divisors (see below), whose sum is σ = 30146040. Its totient is φ = 10036000.

The previous prime is 20084671. The next prime is 20084717. The reversal of 20084678 is 87648002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4553 + ... + 7803.

It is an arithmetic number, because the mean of its divisors is an integer number (3768255).

Almost surely, 2^20084678 is an apocalyptic number.

20084678 is a deficient number, since it is larger than the sum of its proper divisors (10061362).

20084678 is a wasteful number, since it uses less digits than its factorization.

20084678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 20084678 is about 4481.5932434794. The cubic root of 20084678 is about 271.8243080369.

The spelling of 20084678 in words is "twenty million, eighty-four thousand, six hundred seventy-eight".