20316198 has 16 divisors (see below), whose sum is σ = 46437120. Its totient is φ = 5804616.

The previous prime is 20316161. The next prime is 20316203. The reversal of 20316198 is 89161302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241818 + ... + 241901.

It is an arithmetic number, because the mean of its divisors is an integer number (2902320).

Almost surely, 2^20316198 is an apocalyptic number.

20316198 is an abundant number, since it is smaller than the sum of its proper divisors (26120922).

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

20316198 is a wasteful number, since it uses less digits than its factorization.

20316198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483731.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 20316198 is about 4507.3493319245. The cubic root of 20316198 is about 272.8647775898.

The spelling of 20316198 in words is "twenty million, three hundred sixteen thousand, one hundred ninety-eight".