20086750 has 16 divisors (see below), whose sum is σ = 37602864. Its totient is φ = 8034600.

The previous prime is 20086739. The next prime is 20086757. The reversal of 20086750 is 5768002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20086757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39924 + ... + 40423.

It is an arithmetic number, because the mean of its divisors is an integer number (2350179).

Almost surely, 2^20086750 is an apocalyptic number.

20086750 is a deficient number, since it is larger than the sum of its proper divisors (17516114).

20086750 is an equidigital number, since it uses as much as digits as its factorization.

20086750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80364 (or 80354 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 20086750 is about 4481.8244053064. The cubic root of 20086750 is about 271.8336551389.

The spelling of 20086750 in words is "twenty million, eighty-six thousand, seven hundred fifty".