1320034221 has 12 divisors (see below), whose sum is σ = 2080054080. Its totient is φ = 800020680.

The previous prime is 1320034171. The next prime is 1320034231. The reversal of 1320034221 is 1224300231.

1320034221 is a `hidden beast` number, since 1 + 320 + 0 + 342 + 2 + 1 = 666.

It is not a de Polignac number, because 1320034221 - 2²³ = 1311645613 is a prime.

It is a super-2 number, since 2×1320034221² = 3484980689222153682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320034194 and 1320034203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320034231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6666741 + ... + 6666938.

It is an arithmetic number, because the mean of its divisors is an integer number (173337840).

Almost surely, 2^1320034221 is an apocalyptic number.

1320034221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1320034221 is a deficient number, since it is larger than the sum of its proper divisors (760019859).

1320034221 is a wasteful number, since it uses less digits than its factorization.

1320034221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333696 (or 13333693 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1320034221 is about 36332.2751971302. The cubic root of 1320034221 is about 1096.9707899786.

Adding to 1320034221 its reverse (1224300231), we get a palindrome (2544334452).

The spelling of 1320034221 in words is "one billion, three hundred twenty million, thirty-four thousand, two hundred twenty-one".