20033212332 has 144 divisors (see below), whose sum is σ = 55203265152. Its totient is φ = 5637139200.

The previous prime is 20033212319. The next prime is 20033212361. The reversal of 20033212332 is 23321233002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20033212299 and 20033212308.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29330863 + ... + 29331545.

It is an arithmetic number, because the mean of its divisors is an integer number (383356008).

Almost surely, 2^20033212332 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 20033212332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27601632576).

20033212332 is an abundant number, since it is smaller than the sum of its proper divisors (35170052820).

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

20033212332 is a wasteful number, since it uses less digits than its factorization.

20033212332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1379 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20033212332 its reverse (23321233002), we get a palindrome (43354445334).

The spelling of 20033212332 in words is "twenty billion, thirty-three million, two hundred twelve thousand, three hundred thirty-two".