1220320044310 has 16 divisors (see below), whose sum is σ = 2201946688800. Its totient is φ = 486934549056.

The previous prime is 1220320044301. The next prime is 1220320044319. The reversal of 1220320044310 is 134400230221.

It is an interprime number because it is at equal distance from previous prime (1220320044301) and next prime (1220320044319).

It is a super-2 number, since 2×1220320044310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220320044319) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 149179290 + ... + 149187469.

It is an arithmetic number, because the mean of its divisors is an integer number (137621668050).

Almost surely, 2^{1220320044310} is an apocalyptic number.

1220320044310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220320044310 is a deficient number, since it is larger than the sum of its proper divisors (981626644490).

1220320044310 is a wasteful number, since it uses less digits than its factorization.

1220320044310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298367175.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1220320044310 its reverse (134400230221), we get a palindrome (1354720274531).

The spelling of 1220320044310 in words is "one trillion, two hundred twenty billion, three hundred twenty million, forty-four thousand, three hundred ten".