20084087 has 8 divisors (see below), whose sum is σ = 20589312. Its totient is φ = 19582200.

The previous prime is 20084047. The next prime is 20084101. The reversal of 20084087 is 78048002.

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

It is a cyclic number.

It is not a de Polignac number, because 20084087 - 2⁸ = 20083831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084017) 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, 14912 + ... + 16202.

It is an arithmetic number, because the mean of its divisors is an integer number (2573664).

Almost surely, 2^20084087 is an apocalyptic number.

20084087 is a deficient number, since it is larger than the sum of its proper divisors (505225).

20084087 is a wasteful number, since it uses less digits than its factorization.

20084087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 20084087 is about 4481.5273066222. The cubic root of 20084087 is about 271.8216418297.

The spelling of 20084087 in words is "twenty million, eighty-four thousand, eighty-seven".