1320034220 has 12 divisors (see below), whose sum is σ = 2772071904. Its totient is φ = 528013680.

The previous prime is 1320034171. The next prime is 1320034231. The reversal of 1320034220 is 224300231.

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, 33000836 + ... + 33000875.

It is an arithmetic number, because the mean of its divisors is an integer number (231005992).

Almost surely, 2^1320034220 is an apocalyptic number.

1320034220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320034220 is an abundant number, since it is smaller than the sum of its proper divisors (1452037684).

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

1320034220 is a wasteful number, since it uses less digits than its factorization.

1320034220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66001720 (or 66001718 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1320034220 is about 36332.2751833683. The cubic root of 1320034220 is about 1096.9707897016.

Adding to 1320034220 its reverse (224300231), we get a palindrome (1544334451).

The spelling of 1320034220 in words is "one billion, three hundred twenty million, thirty-four thousand, two hundred twenty".