42242203220 has 72 divisors (see below), whose sum is σ = 103524220800. Its totient is φ = 14436367680.

The previous prime is 42242203189. The next prime is 42242203229. The reversal of 42242203220 is 2230224224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242203229) 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, 235481 + ... + 374079.

It is an arithmetic number, because the mean of its divisors is an integer number (1437836400).

Almost surely, 2^42242203220 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 42242203220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51762110400).

42242203220 is an abundant number, since it is smaller than the sum of its proper divisors (61282017580).

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

42242203220 is a wasteful number, since it uses less digits than its factorization.

42242203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138933 (or 138924 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 42242203220 its reverse (2230224224), we get a palindrome (44472427444).

The spelling of 42242203220 in words is "forty-two billion, two hundred forty-two million, two hundred three thousand, two hundred twenty".