20098056 has 32 divisors (see below), whose sum is σ = 54813600. Its totient is φ = 6090240.

The previous prime is 20098049. The next prime is 20098061. The reversal of 20098056 is 65089002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37801 + ... + 38328.

It is an arithmetic number, because the mean of its divisors is an integer number (1712925).

Almost surely, 2^20098056 is an apocalyptic number.

It is an amenable number.

20098056 is an abundant number, since it is smaller than the sum of its proper divisors (34715544).

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

20098056 is a wasteful number, since it uses less digits than its factorization.

20098056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76149 (or 76145 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 20098056 is about 4483.0855445775. The cubic root of 20098056 is about 271.8846468766.

The spelling of 20098056 in words is "twenty million, ninety-eight thousand, fifty-six".