20304169200 has 1080 divisors, whose sum is σ = 87502970880. Its totient is φ = 4340044800.

The previous prime is 20304169159. The next prime is 20304169261. The reversal of 20304169200 is 296140302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 257014761 + ... + 257014839.

Almost surely, 2^20304169200 is an apocalyptic number.

20304169200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20304169200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43751485440).

20304169200 is an abundant number, since it is smaller than the sum of its proper divisors (67198801680).

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

20304169200 is a wasteful number, since it uses less digits than its factorization.

20304169200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 20304169200 in words is "twenty billion, three hundred four million, one hundred sixty-nine thousand, two hundred".