20016198 has 12 divisors (see below), whose sum is σ = 43368468. Its totient is φ = 6672060.

The previous prime is 20016193. The next prime is 20016221. The reversal of 20016198 is 89161002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20016193) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 555988 + ... + 556023.

It is an arithmetic number, because the mean of its divisors is an integer number (3614039).

Almost surely, 2^20016198 is an apocalyptic number.

20016198 is an abundant number, since it is smaller than the sum of its proper divisors (23352270).

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

20016198 is a wasteful number, since it uses less digits than its factorization.

20016198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112019 (or 1112016 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 20016198 is about 4473.9465799225. The cubic root of 20016198 is about 271.5150221128.

The spelling of 20016198 in words is "twenty million, sixteen thousand, one hundred ninety-eight".