1320014280 has 128 divisors (see below), whose sum is σ = 4278355200. Its totient is φ = 323884032.

The previous prime is 1320014279. The next prime is 1320014287. The reversal of 1320014280 is 824100231.

1320014280 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1320014287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558862 + ... + 561218.

It is an arithmetic number, because the mean of its divisors is an integer number (33424650).

Almost surely, 2^1320014280 is an apocalyptic number.

1320014280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320014280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2139177600).

1320014280 is an abundant number, since it is smaller than the sum of its proper divisors (2958340920).

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

1320014280 is a wasteful number, since it uses less digits than its factorization.

1320014280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1320014280 is about 36332.0007706705. Note that the first 3 decimals coincide. The cubic root of 1320014280 is about 1096.9652661812.

The spelling of 1320014280 in words is "one billion, three hundred twenty million, fourteen thousand, two hundred eighty".