20248085 has 16 divisors (see below), whose sum is σ = 28546560. Its totient is φ = 13592640.

The previous prime is 20248079. The next prime is 20248087. The reversal of 20248085 is 58084202.

It is not a de Polignac number, because 20248085 - 2⁴ = 20248069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20248087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13445 + ... + 14874.

It is an arithmetic number, because the mean of its divisors is an integer number (1784160).

Almost surely, 2^20248085 is an apocalyptic number.

It is an amenable number.

20248085 is a deficient number, since it is larger than the sum of its proper divisors (8298475).

20248085 is a wasteful number, since it uses less digits than its factorization.

20248085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28348.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 20248085 is about 4499.7872171915. The cubic root of 20248085 is about 272.5594965899.

The spelling of 20248085 in words is "twenty million, two hundred forty-eight thousand, eighty-five".