20098500 has 48 divisors (see below), whose sum is σ = 58531200. Its totient is φ = 5359200.

The previous prime is 20098499. The next prime is 20098517. The reversal of 20098500 is 589002.

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, 5200 + ... + 8199.

It is an arithmetic number, because the mean of its divisors is an integer number (1219400).

Almost surely, 2^20098500 is an apocalyptic number.

20098500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20098500 is an abundant number, since it is smaller than the sum of its proper divisors (38432700).

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

20098500 is a wasteful number, since it uses less digits than its factorization.

20098500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13421 (or 13409 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 20098500 is about 4483.1350637695. The cubic root of 20098500 is about 271.8866489922.

The spelling of 20098500 in words is "twenty million, ninety-eight thousand, five hundred".