20426298 has 8 divisors (see below), whose sum is σ = 40852608. Its totient is φ = 6808764.

The previous prime is 20426297. The next prime is 20426309. The reversal of 20426298 is 89262402.

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

20426298 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20426291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702186 + ... + 1702197.

It is an arithmetic number, because the mean of its divisors is an integer number (5106576).

Almost surely, 2^20426298 is an apocalyptic number.

20426298 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20426298 is a wasteful number, since it uses less digits than its factorization.

20426298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404388.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 20426298 is about 4519.5462161593. The cubic root of 20426298 is about 273.3568037880.

The spelling of 20426298 in words is "twenty million, four hundred twenty-six thousand, two hundred ninety-eight".