20089748 has 12 divisors (see below), whose sum is σ = 40179552. Its totient is φ = 8609880.

The previous prime is 20089747. The next prime is 20089757. The reversal of 20089748 is 84798002.

20089748 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20089747) 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, 358718 + ... + 358773.

It is an arithmetic number, because the mean of its divisors is an integer number (3348296).

Almost surely, 2^20089748 is an apocalyptic number.

20089748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20089748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20089748 is a wasteful number, since it uses less digits than its factorization.

20089748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717502 (or 717500 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 20089748 is about 4482.1588548377. The cubic root of 20089748 is about 271.8471784276.

The spelling of 20089748 in words is "twenty million, eighty-nine thousand, seven hundred forty-eight".