32020004120 has 96 divisors (see below), whose sum is σ = 78144484320. Its totient is φ = 11802885120.

The previous prime is 32020004119. The next prime is 32020004123. The reversal of 32020004120 is 2140002023.

It is a junction number, because it is equal to n+sod(n) for n = 32020004095 and 32020004104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020004123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4370060 + ... + 4377380.

It is an arithmetic number, because the mean of its divisors is an integer number (814005045).

Almost surely, 2^32020004120 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 32020004120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39072242160).

32020004120 is an abundant number, since it is smaller than the sum of its proper divisors (46124480200).

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

32020004120 is a wasteful number, since it uses less digits than its factorization.

32020004120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005 (or 7988 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 32020004120 its reverse (2140002023), we get a palindrome (34160006143).

The spelling of 32020004120 in words is "thirty-two billion, twenty million, four thousand, one hundred twenty".