20098358056 has 32 divisors (see below), whose sum is σ = 43377768000. Its totient is φ = 8551610496.

The previous prime is 20098358051. The next prime is 20098358057. The reversal of 20098358056 is 65085389002.

It is a junction number, because it is equal to n+sod(n) for n = 20098357997 and 20098358015.

It is not an unprimeable number, because it can be changed into a prime (20098358051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283221 + ... + 1298788.

It is an arithmetic number, because the mean of its divisors is an integer number (1355555250).

Almost surely, 2^20098358056 is an apocalyptic number.

It is an amenable number.

20098358056 is an abundant number, since it is smaller than the sum of its proper divisors (23279409944).

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

20098358056 is a wasteful number, since it uses less digits than its factorization.

20098358056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582161 (or 2582157 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 20098358056 in words is "twenty billion, ninety-eight million, three hundred fifty-eight thousand, fifty-six".