1320040200 has 96 divisors (see below), whose sum is σ = 4307536800. Its totient is φ = 333480960.

The previous prime is 1320040193. The next prime is 1320040201. The reversal of 1320040200 is 20400231.

It is a super-2 number, since 2×1320040200² = 3485012259232080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1320040201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46497 + ... + 69296.

It is an arithmetic number, because the mean of its divisors is an integer number (44870175).

Almost surely, 2^1320040200 is an apocalyptic number.

1320040200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320040200 is an abundant number, since it is smaller than the sum of its proper divisors (2987496600).

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

1320040200 is a wasteful number, since it uses less digits than its factorization.

1320040200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115831 (or 115822 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1320040200 is about 36332.3574792498. The cubic root of 1320040200 is about 1096.9724461928.

Adding to 1320040200 its reverse (20400231), we get a palindrome (1340440431).

The spelling of 1320040200 in words is "one billion, three hundred twenty million, forty thousand, two hundred".