20003033232 has 180 divisors, whose sum is σ = 70130003580. Its totient is φ = 5275501056.

The previous prime is 20003033207. The next prime is 20003033233. The reversal of 20003033232 is 23233030002.

It can be written as a sum of positive squares in 2 ways, for example, as 1735888896 + 18267144336 = 41664^2 + 135156^2 .

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 (20003033233) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17307 + ... + 200762.

It is an arithmetic number, because the mean of its divisors is an integer number (389611131).

Almost surely, 2^20003033232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003033232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35065001790).

20003033232 is an abundant number, since it is smaller than the sum of its proper divisors (50126970348).

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

20003033232 is a wasteful number, since it uses less digits than its factorization.

20003033232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218110 (or 218094 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20003033232 its reverse (23233030002), we get a palindrome (43236063234).

The spelling of 20003033232 in words is "twenty billion, three million, thirty-three thousand, two hundred thirty-two".