1102020312320 has 72 divisors (see below), whose sum is σ = 2641165670304. Its totient is φ = 440560535552.

The previous prime is 1102020312319. The next prime is 1102020312331. The reversal of 1102020312320 is 232130202011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2046467 + ... + 2528253.

It is an arithmetic number, because the mean of its divisors is an integer number (36682856532).

Almost surely, 2^{1102020312320} is an apocalyptic number.

1102020312320 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 1102020312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320582835152).

1102020312320 is an abundant number, since it is smaller than the sum of its proper divisors (1539145357984).

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

1102020312320 is an equidigital number, since it uses as much as digits as its factorization.

1102020312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483595 (or 483581 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1102020312320 its reverse (232130202011), we get a palindrome (1334150514331).

The spelling of 1102020312320 in words is "one trillion, one hundred two billion, twenty million, three hundred twelve thousand, three hundred twenty".