20116198 has 8 divisors (see below), whose sum is σ = 31214880. Its totient is φ = 9711240.

The previous prime is 20116177. The next prime is 20116211. The reversal of 20116198 is 89161102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20116198² = 809322843950408, which contains 22 as substring.

It is a congruent number.

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, 173358 + ... + 173473.

It is an arithmetic number, because the mean of its divisors is an integer number (3901860).

Almost surely, 2^20116198 is an apocalyptic number.

20116198 is a deficient number, since it is larger than the sum of its proper divisors (11098682).

20116198 is a wasteful number, since it uses less digits than its factorization.

20116198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346862.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 20116198 is about 4485.1084713750. The cubic root of 20116198 is about 271.9664300410.

The spelling of 20116198 in words is "twenty million, one hundred sixteen thousand, one hundred ninety-eight".