32004020334 has 64 divisors (see below), whose sum is σ = 75491377920. Its totient is φ = 8917278720.

The previous prime is 32004020317. The next prime is 32004020359. The reversal of 32004020334 is 43302040023.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32004020334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147937 + ... + 293075.

It is an arithmetic number, because the mean of its divisors is an integer number (1179552780).

Almost surely, 2^32004020334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32004020334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37745688960).

32004020334 is an abundant number, since it is smaller than the sum of its proper divisors (43487357586).

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

32004020334 is a wasteful number, since it uses less digits than its factorization.

32004020334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145425.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 32004020334 its reverse (43302040023), we get a palindrome (75306060357).

The spelling of 32004020334 in words is "thirty-two billion, four million, twenty thousand, three hundred thirty-four".