20198096 has 20 divisors (see below), whose sum is σ = 39365412. Its totient is φ = 10039296.

The previous prime is 20198093. The next prime is 20198099. The reversal of 20198096 is 69089102.

It is an interprime number because it is at equal distance from previous prime (20198093) and next prime (20198099).

It can be written as a sum of positive squares in 2 ways, for example, as 13249600 + 6948496 = 3640^2 + 2636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20198093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881 + ... + 6416.

Almost surely, 2^20198096 is an apocalyptic number.

It is an amenable number.

20198096 is a deficient number, since it is larger than the sum of its proper divisors (19167316).

20198096 is a wasteful number, since it uses less digits than its factorization.

20198096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7478 (or 7472 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 20198096 is about 4494.2291886374. The cubic root of 20198096 is about 272.3350110868.

The spelling of 20198096 in words is "twenty million, one hundred ninety-eight thousand, ninety-six".