20098304 has 18 divisors (see below), whose sum is σ = 40118610. Its totient is φ = 10049024.

The previous prime is 20098277. The next prime is 20098307. The reversal of 20098304 is 40389002.

It can be written as a sum of positive squares in only one way, i.e., 19784704 + 313600 = 4448^2 + 560^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20098307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38999 + ... + 39510.

Almost surely, 2^20098304 is an apocalyptic number.

It is an amenable number.

20098304 is a deficient number, since it is larger than the sum of its proper divisors (20020306).

20098304 is an frugal number, since it uses more digits than its factorization.

20098304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78525 (or 78511 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20098304 is about 4483.1132040135. The cubic root of 20098304 is about 271.8857651791.

It can be divided in two parts, 20098 and 304, that added together give a palindrome (20402).

The spelling of 20098304 in words is "twenty million, ninety-eight thousand, three hundred four".