20089304 has 48 divisors (see below), whose sum is σ = 40612320. Its totient is φ = 9310400.

The previous prime is 20089301. The next prime is 20089309. The reversal of 20089304 is 40398002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20089301) 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 in 11 ways as a sum of consecutive naturals, for example, 198854 + ... + 198954.

It is an arithmetic number, because the mean of its divisors is an integer number (846090).

Almost surely, 2^20089304 is an apocalyptic number.

It is an amenable number.

20089304 is an abundant number, since it is smaller than the sum of its proper divisors (20523016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20089304 is a wasteful number, since it uses less digits than its factorization.

20089304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 173 counting only the distinct ones).

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

The square root of 20089304 is about 4482.1093248603. The cubic root of 20089304 is about 271.8451757305.

The spelling of 20089304 in words is "twenty million, eighty-nine thousand, three hundred four".