20432032200 has 144 divisors (see below), whose sum is σ = 68783878800. Its totient is φ = 5435337600.

The previous prime is 20432032189. The next prime is 20432032207. The reversal of 20432032200 is 223023402.

20432032200 is a `hidden beast` number, since 2 + 0 + 432 + 0 + 32 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20432032207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 740655 + ... + 767745.

It is an arithmetic number, because the mean of its divisors is an integer number (477665825).

Almost surely, 2^20432032200 is an apocalyptic number.

20432032200 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 20432032200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34391939400).

20432032200 is an abundant number, since it is smaller than the sum of its proper divisors (48351846600).

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

20432032200 is a wasteful number, since it uses less digits than its factorization.

20432032200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27532 (or 27520 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20432032200 its reverse (223023402), we get a palindrome (20655055602).

The spelling of 20432032200 in words is "twenty billion, four hundred thirty-two million, thirty-two thousand, two hundred".