1205320200 has 96 divisors (see below), whose sum is σ = 4270292160. Its totient is φ = 275500800.

The previous prime is 1205320141. The next prime is 1205320219. The reversal of 1205320200 is 20235021.

1205320200 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1205320200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139291 + ... + 147690.

It is an arithmetic number, because the mean of its divisors is an integer number (44482210).

Almost surely, 2^1205320200 is an apocalyptic number.

1205320200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1205320200 is an abundant number, since it is smaller than the sum of its proper divisors (3064971960).

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

1205320200 is a wasteful number, since it uses less digits than its factorization.

1205320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287007 (or 286998 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1205320200 is about 34717.7216994434. The cubic root of 1205320200 is about 1064.2266863005.

Adding to 1205320200 its reverse (20235021), we get a palindrome (1225555221).

The spelling of 1205320200 in words is "one billion, two hundred five million, three hundred twenty thousand, two hundred".