220422442420 has 96 divisors (see below), whose sum is σ = 493208352000. Its totient is φ = 82510848000.

The previous prime is 220422442417. The next prime is 220422442463. The reversal of 220422442420 is 24244224022.

220422442420 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17226225 + ... + 17239015.

It is an arithmetic number, because the mean of its divisors is an integer number (5137587000).

Almost surely, 2^220422442420 is an apocalyptic number.

220422442420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220422442420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246604176000).

220422442420 is an abundant number, since it is smaller than the sum of its proper divisors (272785909580).

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

220422442420 is a wasteful number, since it uses less digits than its factorization.

220422442420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13369 (or 13367 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 220422442420 its reverse (24244224022), we get a palindrome (244666666442).

The spelling of 220422442420 in words is "two hundred twenty billion, four hundred twenty-two million, four hundred forty-two thousand, four hundred twenty".