1120320220 has 24 divisors (see below), whose sum is σ = 2354714208. Its totient is φ = 447739200.

The previous prime is 1120320211. The next prime is 1120320263. The reversal of 1120320220 is 220230211.

It is a self number, because there is not a number n which added to its sum of digits gives 1120320220.

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, 96 + ... + 47335.

It is an arithmetic number, because the mean of its divisors is an integer number (98113092).

Almost surely, 2^1120320220 is an apocalyptic number.

1120320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120320220 is an abundant number, since it is smaller than the sum of its proper divisors (1234393988).

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

1120320220 is a wasteful number, since it uses less digits than its factorization.

1120320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48621 (or 48619 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1120320220 is about 33471.1849207643. The cubic root of 1120320220 is about 1038.5977835858.

Adding to 1120320220 its reverse (220230211), we get a palindrome (1340550431).

Subtracting from 1120320220 its reverse (220230211), we obtain a palindrome (900090009).

The spelling of 1120320220 in words is "one billion, one hundred twenty million, three hundred twenty thousand, two hundred twenty".