32243032420 has 48 divisors (see below), whose sum is σ = 70057322496. Its totient is φ = 12452112000.

The previous prime is 32243032417. The next prime is 32243032421. The reversal of 32243032420 is 2423034223.

It is a super-2 number, since 2×32243032420² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32243032421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206890 + ... + 327550.

It is an arithmetic number, because the mean of its divisors is an integer number (1459527552).

Almost surely, 2^32243032420 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 32243032420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35028661248).

32243032420 is an abundant number, since it is smaller than the sum of its proper divisors (37814290076).

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

32243032420 is a wasteful number, since it uses less digits than its factorization.

32243032420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121132 (or 121130 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 32243032420 its reverse (2423034223), we get a palindrome (34666066643).

The spelling of 32243032420 in words is "thirty-two billion, two hundred forty-three million, thirty-two thousand, four hundred twenty".