1332220022420 has 144 divisors (see below), whose sum is σ = 3322218775680. Its totient is φ = 439459812096.

The previous prime is 1332220022381. The next prime is 1332220022443. The reversal of 1332220022420 is 242200222331.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 18209834 + ... + 18282846.

It is an arithmetic number, because the mean of its divisors is an integer number (23070963720).

Almost surely, 2^{1332220022420} is an apocalyptic number.

1332220022420 is a gapful number since it is divisible by the number (10) 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 1332220022420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661109387840).

1332220022420 is an abundant number, since it is smaller than the sum of its proper divisors (1989998753260).

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

1332220022420 is a wasteful number, since it uses less digits than its factorization.

1332220022420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73182 (or 73133 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 1332220022420 its reverse (242200222331), we get a palindrome (1574420244751).

The spelling of 1332220022420 in words is "one trillion, three hundred thirty-two billion, two hundred twenty million, twenty-two thousand, four hundred twenty".