20301133200 has 120 divisors (see below), whose sum is σ = 65153585856. Its totient is φ = 5403456000.

The previous prime is 20301133189. The next prime is 20301133207. The reversal of 20301133200 is 233110302.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20301133200.

It is not an unprimeable number, because it can be changed into a prime (20301133207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633565 + ... + 664835.

Almost surely, 2^20301133200 is an apocalyptic number.

20301133200 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 20301133200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32576792928).

20301133200 is an abundant number, since it is smaller than the sum of its proper divisors (44852452656).

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

20301133200 is a wasteful number, since it uses less digits than its factorization.

20301133200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31833 (or 31822 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20301133200 its reverse (233110302), we get a palindrome (20534243502).

The spelling of 20301133200 in words is "twenty billion, three hundred one million, one hundred thirty-three thousand, two hundred".