20013298 has 4 divisors (see below), whose sum is σ = 30019950. Its totient is φ = 10006648.

The previous prime is 20013293. The next prime is 20013299. The reversal of 20013298 is 89231002.

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., 11269449 + 8743849 = 3357^2 + 2957^2 .

It is not an unprimeable number, because it can be changed into a prime (20013293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003323 + ... + 5003326.

Almost surely, 2^20013298 is an apocalyptic number.

20013298 is a deficient number, since it is larger than the sum of its proper divisors (10006652).

20013298 is a wasteful number, since it uses less digits than its factorization.

20013298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006651.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 20013298 is about 4473.6224695430. The cubic root of 20013298 is about 271.5019088733.

The spelling of 20013298 in words is "twenty million, thirteen thousand, two hundred ninety-eight".