20068298 has 4 divisors (see below), whose sum is σ = 30102450. Its totient is φ = 10034148.

The previous prime is 20068289. The next prime is 20068303. The reversal of 20068298 is 89286002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15108769 + 4959529 = 3887^2 + 2227^2 .

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 as a sum of consecutive naturals, namely, 5017073 + ... + 5017076.

Almost surely, 2^20068298 is an apocalyptic number.

20068298 is a deficient number, since it is larger than the sum of its proper divisors (10034152).

20068298 is a wasteful number, since it uses less digits than its factorization.

20068298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10034151.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 20068298 is about 4479.7653956429. The cubic root of 20068298 is about 271.7503927681.

The spelling of 20068298 in words is "twenty million, sixty-eight thousand, two hundred ninety-eight".