20039098 has 4 divisors (see below), whose sum is σ = 30058650. Its totient is φ = 10019548.

The previous prime is 20039093. The next prime is 20039099. The reversal of 20039098 is 89093002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89093002 = 2 ⋅44546501.

It can be written as a sum of positive squares in only one way, i.e., 11471769 + 8567329 = 3387^2 + 2927^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20039093) by changing a digit.

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, 5009773 + ... + 5009776.

Almost surely, 2^20039098 is an apocalyptic number.

20039098 is a deficient number, since it is larger than the sum of its proper divisors (10019552).

20039098 is a wasteful number, since it uses less digits than its factorization.

20039098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019551.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 20039098 is about 4476.5051100161. The cubic root of 20039098 is about 271.6185270232.

The spelling of 20039098 in words is "twenty million, thirty-nine thousand, ninety-eight".