1043220003320 has 192 divisors, whose sum is σ = 2607571612800. Its totient is φ = 375322464000.

The previous prime is 1043220003313. The next prime is 1043220003391. The reversal of 1043220003320 is 233000223401.

It is a super-2 number, since 2×1043220003320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1043220003292 and 1043220003301.

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 47 ways as a sum of consecutive naturals, for example, 206534795 + ... + 206539845.

It is an arithmetic number, because the mean of its divisors is an integer number (13581102150).

Almost surely, 2^{1043220003320} is an apocalyptic number.

1043220003320 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 1043220003320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303785806400).

1043220003320 is an abundant number, since it is smaller than the sum of its proper divisors (1564351609480).

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

1043220003320 is a wasteful number, since it uses less digits than its factorization.

1043220003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530 (or 5515 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 1043220003320 its reverse (233000223401), we get a palindrome (1276220226721).

The spelling of 1043220003320 in words is "one trillion, forty-three billion, two hundred twenty million, three thousand, three hundred twenty".