20794250 has 16 divisors (see below), whose sum is σ = 38927304. Its totient is φ = 8317600.

The previous prime is 20794237. The next prime is 20794253. The reversal of 20794250 is 5249702.

It can be written as a sum of positive squares in 4 ways, for example, as 6558721 + 14235529 = 2561^2 + 3773^2 .

It is not an unprimeable number, because it can be changed into a prime (20794253) 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 7 ways as a sum of consecutive naturals, for example, 41339 + ... + 41838.

Almost surely, 2^20794250 is an apocalyptic number.

20794250 is a deficient number, since it is larger than the sum of its proper divisors (18133054).

20794250 is an equidigital number, since it uses as much as digits as its factorization.

20794250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83194 (or 83184 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 20794250 is about 4560.0712713728. The cubic root of 20794250 is about 274.9884292652.

The spelling of 20794250 in words is "twenty million, seven hundred ninety-four thousand, two hundred fifty".