420222342220 has 96 divisors (see below), whose sum is σ = 967699353600. Its totient is φ = 152724672000.

The previous prime is 420222342121. The next prime is 420222342247. The reversal of 420222342220 is 22243222024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 690645 + ... + 1147795.

It is an arithmetic number, because the mean of its divisors is an integer number (10080201600).

Almost surely, 2^420222342220 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 420222342220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483849676800).

420222342220 is an abundant number, since it is smaller than the sum of its proper divisors (547477011380).

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

420222342220 is a wasteful number, since it uses less digits than its factorization.

420222342220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457279 (or 457277 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 420222342220 its reverse (22243222024), we get a palindrome (442465564244).

The spelling of 420222342220 in words is "four hundred twenty billion, two hundred twenty-two million, three hundred forty-two thousand, two hundred twenty".