1320221220310 has 8 divisors (see below), whose sum is σ = 2376398196576. Its totient is φ = 528088488120.

The previous prime is 1320221220301. The next prime is 1320221220323. The reversal of 1320221220310 is 130221220231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1320221220310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66011061006 + ... + 66011061025.

It is an arithmetic number, because the mean of its divisors is an integer number (297049774572).

Almost surely, 2^{1320221220310} is an apocalyptic number.

1320221220310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320221220310 is a deficient number, since it is larger than the sum of its proper divisors (1056176976266).

1320221220310 is a wasteful number, since it uses less digits than its factorization.

1320221220310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132022122038.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1320221220310 its reverse (130221220231), we get a palindrome (1450442440541).

The spelling of 1320221220310 in words is "one trillion, three hundred twenty billion, two hundred twenty-one million, two hundred twenty thousand, three hundred ten".