20132023200 has 144 divisors (see below), whose sum is σ = 65575177920. Its totient is φ = 5364817920.

The previous prime is 20132023159. The next prime is 20132023201. The reversal of 20132023200 is 232023102.

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 20132023200.

It is not an unprimeable number, because it can be changed into a prime (20132023201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6351216 + ... + 6354384.

It is an arithmetic number, because the mean of its divisors is an integer number (455383180).

Almost surely, 2^20132023200 is an apocalyptic number.

20132023200 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 20132023200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32787588960).

20132023200 is an abundant number, since it is smaller than the sum of its proper divisors (45443154720).

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

20132023200 is a wasteful number, since it uses less digits than its factorization.

20132023200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839 (or 5826 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20132023200 its reverse (232023102), we get a palindrome (20364046302).

The spelling of 20132023200 in words is "twenty billion, one hundred thirty-two million, twenty-three thousand, two hundred".