1320233205 has 16 divisors (see below), whose sum is σ = 2119844160. Its totient is φ = 701634048.

The previous prime is 1320233203. The next prime is 1320233219. The reversal of 1320233205 is 5023320231.

1320233205 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1320233205 - 2¹ = 1320233203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320233203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151260 + ... + 159749.

It is an arithmetic number, because the mean of its divisors is an integer number (132490260).

Almost surely, 2^1320233205 is an apocalyptic number.

1320233205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1320233205 is a deficient number, since it is larger than the sum of its proper divisors (799610955).

1320233205 is a wasteful number, since it uses less digits than its factorization.

1320233205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311300.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1320233205 is about 36335.0134856174. The cubic root of 1320233205 is about 1097.0259069004.

Adding to 1320233205 its reverse (5023320231), we get a palindrome (6343553436).

The spelling of 1320233205 in words is "one billion, three hundred twenty million, two hundred thirty-three thousand, two hundred five".