20298898 has 8 divisors (see below), whose sum is σ = 31498380. Its totient is φ = 9799440.

The previous prime is 20298871. The next prime is 20298911. The reversal of 20298898 is 89889202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19598329 + 700569 = 4427^2 + 837^2 .

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, 174933 + ... + 175048.

Almost surely, 2^20298898 is an apocalyptic number.

20298898 is a deficient number, since it is larger than the sum of its proper divisors (11199482).

20298898 is a wasteful number, since it uses less digits than its factorization.

20298898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350012.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 20298898 is about 4505.4298352100. The cubic root of 20298898 is about 272.7873040849.

The spelling of 20298898 in words is "twenty million, two hundred ninety-eight thousand, eight hundred ninety-eight".