20098584 has 96 divisors (see below), whose sum is σ = 61446000. Its totient is φ = 6082560.

The previous prime is 20098577. The next prime is 20098591. The reversal of 20098584 is 48589002.

It is an interprime number because it is at equal distance from previous prime (20098577) and next prime (20098591).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 25752 + ... + 26520.

Almost surely, 2^20098584 is an apocalyptic number.

20098584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20098584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30723000).

20098584 is an abundant number, since it is smaller than the sum of its proper divisors (41347416).

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

20098584 is a wasteful number, since it uses less digits than its factorization.

20098584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 20098584 is about 4483.1444322038. The cubic root of 20098584 is about 271.8870277675.

The spelling of 20098584 in words is "twenty million, ninety-eight thousand, five hundred eighty-four".