20332001004 has 144 divisors (see below), whose sum is σ = 58658745600. Its totient is φ = 5449659264.

The previous prime is 20332000937. The next prime is 20332001009. The reversal of 20332001004 is 40010023302.

It is not an unprimeable number, because it can be changed into a prime (20332001009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1141882 + ... + 1159550.

It is an arithmetic number, because the mean of its divisors is an integer number (407352400).

Almost surely, 2^20332001004 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 20332001004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29329372800).

20332001004 is an abundant number, since it is smaller than the sum of its proper divisors (38326744596).

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

20332001004 is a wasteful number, since it uses less digits than its factorization.

20332001004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17812 (or 17803 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20332001004 its reverse (40010023302), we get a palindrome (60342024306).

The spelling of 20332001004 in words is "twenty billion, three hundred thirty-two million, one thousand, four".