20248066 has 8 divisors (see below), whose sum is σ = 30396924. Its totient is φ = 10115760.

The previous prime is 20248031. The next prime is 20248069. The reversal of 20248066 is 66084202.

It can be written as a sum of positive squares in 2 ways, for example, as 19616041 + 632025 = 4429^2 + 795^2 .

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 (20248069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405 + ... + 6376.

Almost surely, 2^20248066 is an apocalyptic number.

20248066 is a deficient number, since it is larger than the sum of its proper divisors (10148858).

20248066 is a wasteful number, since it uses less digits than its factorization.

20248066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8276.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 20248066 is about 4499.7851059801. The cubic root of 20248066 is about 272.5594113369.

The spelling of 20248066 in words is "twenty million, two hundred forty-eight thousand, sixty-six".