1330320220 has 24 divisors (see below), whose sum is σ = 2795262624. Its totient is φ = 531825216.

The previous prime is 1330320209. The next prime is 1330320221. The reversal of 1330320220 is 220230331.

It is a junction number, because it is equal to n+sod(n) for n = 1330320194 and 1330320203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330320221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18934 + ... + 54946.

It is an arithmetic number, because the mean of its divisors is an integer number (116469276).

Almost surely, 2^1330320220 is an apocalyptic number.

1330320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330320220 is an abundant number, since it is smaller than the sum of its proper divisors (1464942404).

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

1330320220 is a wasteful number, since it uses less digits than its factorization.

1330320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37869 (or 37867 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1330320220 is about 36473.5550776175. Note that the first 3 decimals coincide. The cubic root of 1330320220 is about 1099.8127008924.

Adding to 1330320220 its reverse (220230331), we get a palindrome (1550550551).

The spelling of 1330320220 in words is "one billion, three hundred thirty million, three hundred twenty thousand, two hundred twenty".