20089488 has 80 divisors (see below), whose sum is σ = 55996416. Its totient is φ = 6188160.

The previous prime is 20089477. The next prime is 20089507. The reversal of 20089488 is 88498002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33931 + ... + 34517.

Almost surely, 2^20089488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20089488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27998208).

20089488 is an abundant number, since it is smaller than the sum of its proper divisors (35906928).

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

20089488 is a wasteful number, since it uses less digits than its factorization.

20089488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 20089488 is about 4482.1298508633. The cubic root of 20089488 is about 271.8460056806.

The spelling of 20089488 in words is "twenty million, eighty-nine thousand, four hundred eighty-eight".