4202321424220 has 96 divisors (see below), whose sum is σ = 9508431937536. Its totient is φ = 1555517779200.

The previous prime is 4202321424199. The next prime is 4202321424239. The reversal of 4202321424220 is 224241232024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50110525 + ... + 50194315.

It is an arithmetic number, because the mean of its divisors is an integer number (99046166016).

Almost surely, 2^{4202321424220} 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 4202321424220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4754215968768).

4202321424220 is an abundant number, since it is smaller than the sum of its proper divisors (5306110513316).

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

4202321424220 is a wasteful number, since it uses less digits than its factorization.

4202321424220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87371 (or 87369 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 4202321424220 its reverse (224241232024), we get a palindrome (4426562656244).

The spelling of 4202321424220 in words is "four trillion, two hundred two billion, three hundred twenty-one million, four hundred twenty-four thousand, two hundred twenty".