20248288 has 24 divisors (see below), whose sum is σ = 39977280. Its totient is φ = 10095360.

The previous prime is 20248273. The next prime is 20248297. The reversal of 20248288 is 88284202.

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, 14668 + ... + 15988.

It is an arithmetic number, because the mean of its divisors is an integer number (1665720).

Almost surely, 2^20248288 is an apocalyptic number.

It is an amenable number.

20248288 is a deficient number, since it is larger than the sum of its proper divisors (19728992).

20248288 is a wasteful number, since it uses less digits than its factorization.

20248288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 20248288 is about 4499.8097737571. The cubic root of 20248288 is about 272.5604074480.

The spelling of 20248288 in words is "twenty million, two hundred forty-eight thousand, two hundred eighty-eight".