20608198 has 24 divisors (see below), whose sum is σ = 35245800. Its totient is φ = 9008064.

The previous prime is 20608187. The next prime is 20608213. The reversal of 20608198 is 89180602.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4818 + ... + 8026.

It is an arithmetic number, because the mean of its divisors is an integer number (1468575).

Almost surely, 2^20608198 is an apocalyptic number.

20608198 is a deficient number, since it is larger than the sum of its proper divisors (14637602).

20608198 is a wasteful number, since it uses less digits than its factorization.

20608198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256 (or 3243 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 20608198 is about 4539.6253149351. The cubic root of 20608198 is about 274.1658381221.

The spelling of 20608198 in words is "twenty million, six hundred eight thousand, one hundred ninety-eight".