420124214220 has 96 divisors (see below), whose sum is σ = 1199565970176. Its totient is φ = 109837728000.

The previous prime is 420124214189. The next prime is 420124214239. The reversal of 420124214220 is 22412421024.

It is a happy 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, 600570 + ... + 1095870.

It is an arithmetic number, because the mean of its divisors is an integer number (12495478856).

Almost surely, 2^420124214220 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 420124214220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599782985088).

420124214220 is an abundant number, since it is smaller than the sum of its proper divisors (779441755956).

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

420124214220 is a wasteful number, since it uses less digits than its factorization.

420124214220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495591 (or 495589 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 420124214220 its reverse (22412421024), we get a palindrome (442536635244).

The spelling of 420124214220 in words is "four hundred twenty billion, one hundred twenty-four million, two hundred fourteen thousand, two hundred twenty".