20354198 has 8 divisors (see below), whose sum is σ = 30987192. Its totient is φ = 10025136.

The previous prime is 20354161. The next prime is 20354203. The reversal of 20354198 is 89145302.

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

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, 75815 + ... + 76082.

It is an arithmetic number, because the mean of its divisors is an integer number (3873399).

Almost surely, 2^20354198 is an apocalyptic number.

20354198 is a deficient number, since it is larger than the sum of its proper divisors (10632994).

20354198 is a wasteful number, since it uses less digits than its factorization.

20354198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151966.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 20354198 is about 4511.5627004398. The cubic root of 20354198 is about 273.0347963358.

The spelling of 20354198 in words is "twenty million, three hundred fifty-four thousand, one hundred ninety-eight".