1303244455420 has 96 divisors (see below), whose sum is σ = 2846452492800. Its totient is φ = 500612173824.

The previous prime is 1303244455411. The next prime is 1303244455423. The reversal of 1303244455420 is 245544423031.

It is a super-2 number, since 2×1303244455420² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1303244455420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303244455423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166715352 + ... + 166723168.

It is an arithmetic number, because the mean of its divisors is an integer number (29650546800).

Almost surely, 2^{1303244455420} is an apocalyptic number.

1303244455420 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 1303244455420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423226246400).

1303244455420 is an abundant number, since it is smaller than the sum of its proper divisors (1543208037380).

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

1303244455420 is a wasteful number, since it uses less digits than its factorization.

1303244455420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9367 (or 9365 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 1303244455420 its reverse (245544423031), we get a palindrome (1548788878451).

The spelling of 1303244455420 in words is "one trillion, three hundred three billion, two hundred forty-four million, four hundred fifty-five thousand, four hundred twenty".