1220333013 has 8 divisors (see below), whose sum is σ = 1807900800. Its totient is φ = 813555324.

The previous prime is 1220332973. The next prime is 1220333029. The reversal of 1220333013 is 3103330221.

It is not a de Polignac number, because 1220333013 - 2⁹ = 1220332501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220333063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22598733 + ... + 22598786.

It is an arithmetic number, because the mean of its divisors is an integer number (225987600).

Almost surely, 2^1220333013 is an apocalyptic number.

It is an amenable number.

1220333013 is a deficient number, since it is larger than the sum of its proper divisors (587567787).

1220333013 is an equidigital number, since it uses as much as digits as its factorization.

1220333013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45197528 (or 45197522 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1220333013 is about 34933.2651351115. The cubic root of 1220333013 is about 1068.6269437881.

Adding to 1220333013 its reverse (3103330221), we get a palindrome (4323663234).

The spelling of 1220333013 in words is "one billion, two hundred twenty million, three hundred thirty-three thousand, thirteen".