20043232000 has 144 divisors (see below), whose sum is σ = 54470261664. Its totient is φ = 7288320000.

The previous prime is 20043231991. The next prime is 20043232007. The reversal of 20043232000 is 23234002.

It is a super-2 number, since 2×20043232000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (20043232007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323530 + ... + 380470.

It is an arithmetic number, because the mean of its divisors is an integer number (378265706).

Almost surely, 2^20043232000 is an apocalyptic number.

20043232000 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 20043232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27235130832).

20043232000 is an abundant number, since it is smaller than the sum of its proper divisors (34427029664).

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

20043232000 is an equidigital number, since it uses as much as digits as its factorization.

20043232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56983 (or 56959 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20043232000 its reverse (23234002), we get a palindrome (20066466002).

The spelling of 20043232000 in words is "twenty billion, forty-three million, two hundred thirty-two thousand".