32211442420 has 24 divisors (see below), whose sum is σ = 67987408104. Its totient is φ = 12819171456.

The previous prime is 32211442369. The next prime is 32211442429. The reversal of 32211442420 is 2424411223.

It can be written as a sum of positive squares in 4 ways, for example, as 6941889124 + 25269553296 = 83318^2 + 158964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32211442429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4083807 + ... + 4091686.

It is an arithmetic number, because the mean of its divisors is an integer number (2832808671).

Almost surely, 2^32211442420 is an apocalyptic number.

It is an amenable number.

32211442420 is an abundant number, since it is smaller than the sum of its proper divisors (35775965684).

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

32211442420 is a wasteful number, since it uses less digits than its factorization.

32211442420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8175699 (or 8175697 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 32211442420 its reverse (2424411223), we get a palindrome (34635853643).

The spelling of 32211442420 in words is "thirty-two billion, two hundred eleven million, four hundred forty-two thousand, four hundred twenty".