1320020133 has 24 divisors (see below), whose sum is σ = 1818746496. Its totient is φ = 851083200.

The previous prime is 1320020077. The next prime is 1320020161. The reversal of 1320020133 is 3310200231.

It is not a de Polignac number, because 1320020133 - 2¹⁰ = 1320019109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320022133) 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 23 ways as a sum of consecutive naturals, for example, 4870788 + ... + 4871058.

It is an arithmetic number, because the mean of its divisors is an integer number (75781104).

Almost surely, 2^1320020133 is an apocalyptic number.

It is an amenable number.

1320020133 is a deficient number, since it is larger than the sum of its proper divisors (498726363).

1320020133 is an equidigital number, since it uses as much as digits as its factorization.

1320020133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1320020133 is about 36332.0813194070. The cubic root of 1320020133 is about 1096.9668875092.

Adding to 1320020133 its reverse (3310200231), we get a palindrome (4630220364).

It can be divided in two parts, 13200 and 20133, that added together give a palindrome (33333).

The spelling of 1320020133 in words is "one billion, three hundred twenty million, twenty thousand, one hundred thirty-three".