20198296 has 16 divisors (see below), whose sum is σ = 38514600. Its totient is φ = 9927744.

The previous prime is 20198287. The next prime is 20198327. The reversal of 20198296 is 69289102.

It is a super-2 number, since 2×20198296² = 815942322607232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20925 + ... + 21868.

Almost surely, 2^20198296 is an apocalyptic number.

It is an amenable number.

20198296 is a deficient number, since it is larger than the sum of its proper divisors (18316304).

20198296 is a wasteful number, since it uses less digits than its factorization.

20198296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42858 (or 42854 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 20198296 is about 4494.2514393389. The cubic root of 20198296 is about 272.3359099640.

The spelling of 20198296 in words is "twenty million, one hundred ninety-eight thousand, two hundred ninety-six".