1320718230 has 128 divisors (see below), whose sum is σ = 3821529600. Its totient is φ = 322641792.

The previous prime is 1320718193. The next prime is 1320718249. The reversal of 1320718230 is 328170231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1320718194 and 1320718203.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 486537 + ... + 489243.

It is an arithmetic number, because the mean of its divisors is an integer number (29855700).

Almost surely, 2^1320718230 is an apocalyptic number.

1320718230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320718230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1910764800).

1320718230 is an abundant number, since it is smaller than the sum of its proper divisors (2500811370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320718230 is a wasteful number, since it uses less digits than its factorization.

1320718230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1320718230 is about 36341.6872200507. The cubic root of 1320718230 is about 1097.1602316149.

Adding to 1320718230 its reverse (328170231), we get a palindrome (1648888461).

The spelling of 1320718230 in words is "one billion, three hundred twenty million, seven hundred eighteen thousand, two hundred thirty".