20842298 has 8 divisors (see below), whose sum is σ = 31337280. Its totient is φ = 10396540.

The previous prime is 20842279. The next prime is 20842319. The reversal of 20842298 is 89224802.

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

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 3 ways as a sum of consecutive naturals, for example, 11228 + ... + 12951.

It is an arithmetic number, because the mean of its divisors is an integer number (3917160).

Almost surely, 2^20842298 is an apocalyptic number.

20842298 is a deficient number, since it is larger than the sum of its proper divisors (10494982).

20842298 is a wasteful number, since it uses less digits than its factorization.

20842298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24612.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 20842298 is about 4565.3365702870. The cubic root of 20842298 is about 275.2000659844.

The spelling of 20842298 in words is "twenty million, eight hundred forty-two thousand, two hundred ninety-eight".