20485246 has 8 divisors (see below), whose sum is σ = 30757320. Its totient is φ = 10232808.

The previous prime is 20485237. The next prime is 20485261. The reversal of 20485246 is 64258402.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1941 + ... + 6688.

It is an arithmetic number, because the mean of its divisors is an integer number (3844665).

Almost surely, 2^20485246 is an apocalyptic number.

20485246 is a deficient number, since it is larger than the sum of its proper divisors (10272074).

20485246 is a wasteful number, since it uses less digits than its factorization.

20485246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9818.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 20485246 is about 4526.0629690715. The cubic root of 20485246 is about 273.6195102391.

The spelling of 20485246 in words is "twenty million, four hundred eighty-five thousand, two hundred forty-six".