20098736 has 20 divisors (see below), whose sum is σ = 44504592. Its totient is φ = 8613696.

The previous prime is 20098721. The next prime is 20098747. The reversal of 20098736 is 63789002.

It is a junction number, because it is equal to n+sod(n) for n = 20098696 and 20098705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89615 + ... + 89838.

Almost surely, 2^20098736 is an apocalyptic number.

It is an amenable number.

20098736 is an abundant number, since it is smaller than the sum of its proper divisors (24405856).

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

20098736 is a wasteful number, since it uses less digits than its factorization.

20098736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179468 (or 179462 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 20098736 is about 4483.1613845589. The cubic root of 20098736 is about 271.8877131678.

The spelling of 20098736 in words is "twenty million, ninety-eight thousand, seven hundred thirty-six".