20304698 has 16 divisors (see below), whose sum is σ = 33362280. Its totient is φ = 9225216.

The previous prime is 20304689. The next prime is 20304701. The reversal of 20304698 is 89640302.

It can be written as a sum of positive squares in 4 ways, for example, as 20187049 + 117649 = 4493^2 + 343^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9311 + ... + 11282.

Almost surely, 2^20304698 is an apocalyptic number.

20304698 is a deficient number, since it is larger than the sum of its proper divisors (13057582).

20304698 is a wasteful number, since it uses less digits than its factorization.

20304698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20641.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 20304698 is about 4506.0734570133. The cubic root of 20304698 is about 272.8132827644.

The spelling of 20304698 in words is "twenty million, three hundred four thousand, six hundred ninety-eight".