20033213032 has 128 divisors (see below), whose sum is σ = 46730960640. Its totient is φ = 7854981120.

The previous prime is 20033213029. The next prime is 20033213033. The reversal of 20033213032 is 23031233002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20033213033) 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 31 ways as a sum of consecutive naturals, for example, 13153023 + ... + 13154545.

It is an arithmetic number, because the mean of its divisors is an integer number (365085630).

Almost surely, 2^20033213032 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 20033213032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23365480320).

20033213032 is an abundant number, since it is smaller than the sum of its proper divisors (26697747608).

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

20033213032 is a wasteful number, since it uses less digits than its factorization.

20033213032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931 (or 1927 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20033213032 its reverse (23031233002), we get a palindrome (43064446034).

The spelling of 20033213032 in words is "twenty billion, thirty-three million, two hundred thirteen thousand, thirty-two".