42243432220 has 24 divisors (see below), whose sum is σ = 96775863408. Its totient is φ = 15361248000.

The previous prime is 42243432199. The next prime is 42243432229. The reversal of 42243432220 is 2223434224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42243432229) 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, 96007581 + ... + 96008020.

It is an arithmetic number, because the mean of its divisors is an integer number (4032327642).

Almost surely, 2^42243432220 is an apocalyptic number.

It is an amenable number.

42243432220 is an abundant number, since it is smaller than the sum of its proper divisors (54532431188).

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

42243432220 is a wasteful number, since it uses less digits than its factorization.

42243432220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192015621 (or 192015619 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42243432220 its reverse (2223434224), we get a palindrome (44466866444).

The spelling of 42243432220 in words is "forty-two billion, two hundred forty-three million, four hundred thirty-two thousand, two hundred twenty".