1320332253 has 16 divisors (see below), whose sum is σ = 1820123136. Its totient is φ = 850471920.

The previous prime is 1320332231. The next prime is 1320332261. The reversal of 1320332253 is 3522330231.

It is not a de Polignac number, because 1320332253 - 2¹² = 1320328157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320332053) 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 15 ways as a sum of consecutive naturals, for example, 49200 + ... + 71142.

It is an arithmetic number, because the mean of its divisors is an integer number (113757696).

Almost surely, 2^1320332253 is an apocalyptic number.

It is an amenable number.

1320332253 is a deficient number, since it is larger than the sum of its proper divisors (499790883).

1320332253 is a wasteful number, since it uses less digits than its factorization.

1320332253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22624.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 1320332253 is about 36336.3764428981. The cubic root of 1320332253 is about 1097.0533403125.

Adding to 1320332253 its reverse (3522330231), we get a palindrome (4842662484).

The spelling of 1320332253 in words is "one billion, three hundred twenty million, three hundred thirty-two thousand, two hundred fifty-three".