20259298 has 4 divisors (see below), whose sum is σ = 30388950. Its totient is φ = 10129648.

The previous prime is 20259293. The next prime is 20259311. The reversal of 20259298 is 89295202.

It is a happy number.

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., 19598329 + 660969 = 4427^2 + 813^2 .

It is not an unprimeable number, because it can be changed into a prime (20259293) 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, 5064823 + ... + 5064826.

Almost surely, 2^20259298 is an apocalyptic number.

20259298 is a deficient number, since it is larger than the sum of its proper divisors (10129652).

20259298 is a wasteful number, since it uses less digits than its factorization.

20259298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10129651.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 20259298 is about 4501.0329925474. The cubic root of 20259298 is about 272.6098000409.

The spelling of 20259298 in words is "twenty million, two hundred fifty-nine thousand, two hundred ninety-eight".