1200330320220 has 72 divisors (see below), whose sum is σ = 3641220164400. Its totient is φ = 320068903680.

The previous prime is 1200330320197. The next prime is 1200330320237. The reversal of 1200330320220 is 220230330021.

It is a happy number.

1200330320220 is a `hidden beast` number, since 12 + 0 + 0 + 330 + 320 + 2 + 2 + 0 = 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 = 1200330320193 and 1200330320202.

It is a congruent number.

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, 2949735 + ... + 3331905.

Almost surely, 2^{1200330320220} is an apocalyptic number.

1200330320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200330320220 is an abundant number, since it is smaller than the sum of its proper divisors (2440889844180).

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

1200330320220 is a wasteful number, since it uses less digits than its factorization.

1200330320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399635 (or 399630 counting only the distinct ones).

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

Adding to 1200330320220 its reverse (220230330021), we get a palindrome (1420560650241).

The spelling of 1200330320220 in words is "one trillion, two hundred billion, three hundred thirty million, three hundred twenty thousand, two hundred twenty".