1320022300 has 18 divisors (see below), whose sum is σ = 2864448608. Its totient is φ = 528008880.

The previous prime is 1320022271. The next prime is 1320022309. The reversal of 1320022300 is 32200231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320022309) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 6600012 + ... + 6600211.

Almost surely, 2^1320022300 is an apocalyptic number.

1320022300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320022300 is an abundant number, since it is smaller than the sum of its proper divisors (1544426308).

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

1320022300 is a wasteful number, since it uses less digits than its factorization.

1320022300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200237 (or 13200230 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1320022300 is about 36332.1111415233. Note that the first 4 decimals coincide. The cubic root of 1320022300 is about 1096.9674877844.

Adding to 1320022300 its reverse (32200231), we get a palindrome (1352222531).

The spelling of 1320022300 in words is "one billion, three hundred twenty million, twenty-two thousand, three hundred".