1204420442320 has 80 divisors (see below), whose sum is σ = 2823307511040. Its totient is φ = 477816192000.

The previous prime is 1204420442311. The next prime is 1204420442333. The reversal of 1204420442320 is 232440244021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7543476 + ... + 7701484.

It is an arithmetic number, because the mean of its divisors is an integer number (35291343888).

Almost surely, 2^{1204420442320} is an apocalyptic number.

1204420442320 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 1204420442320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411653755520).

1204420442320 is an abundant number, since it is smaller than the sum of its proper divisors (1618887068720).

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

1204420442320 is a wasteful number, since it uses less digits than its factorization.

1204420442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158804 (or 158798 counting only the distinct ones).

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

Adding to 1204420442320 its reverse (232440244021), we get a palindrome (1436860686341).

The spelling of 1204420442320 in words is "one trillion, two hundred four billion, four hundred twenty million, four hundred forty-two thousand, three hundred twenty".