20086706 has 8 divisors (see below), whose sum is σ = 30288384. Its totient is φ = 9990580.

The previous prime is 20086699. The next prime is 20086709. The reversal of 20086706 is 60768002.

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

It is not an unprimeable number, because it can be changed into a prime (20086709) 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, 25910 + ... + 26673.

It is an arithmetic number, because the mean of its divisors is an integer number (3786048).

Almost surely, 2^20086706 is an apocalyptic number.

20086706 is a deficient number, since it is larger than the sum of its proper divisors (10201678).

20086706 is a wasteful number, since it uses less digits than its factorization.

20086706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52776.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 20086706 is about 4481.8194965884. The cubic root of 20086706 is about 271.8334566550.

The spelling of 20086706 in words is "twenty million, eighty-six thousand, seven hundred six".