1200322330020 has 144 divisors (see below), whose sum is σ = 3972462294528. Its totient is φ = 290951585280.

The previous prime is 1200322330001. The next prime is 1200322330043. The reversal of 1200322330020 is 200332230021.

It is a happy number.

1200322330020 is a `hidden beast` number, since 1 + 20 + 0 + 322 + 3 + 300 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1200322329975 and 1200322330002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18454797 + ... + 18519723.

It is an arithmetic number, because the mean of its divisors is an integer number (27586543712).

Almost surely, 2^{1200322330020} is an apocalyptic number.

1200322330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200322330020 is an abundant number, since it is smaller than the sum of its proper divisors (2772139964508).

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

1200322330020 is a wasteful number, since it uses less digits than its factorization.

1200322330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74290 (or 74285 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 1200322330020 its reverse (200332230021), we get a palindrome (1400654560041).

Subtracting from 1200322330020 its reverse (200332230021), we obtain a palindrome (999990099999).

The spelling of 1200322330020 in words is "one trillion, two hundred billion, three hundred twenty-two million, three hundred thirty thousand, twenty".