2200121320 has 16 divisors (see below), whose sum is σ = 4950273060. Its totient is φ = 880048512.

The previous prime is 2200121309. The next prime is 2200121347. The reversal of 2200121320 is 231210022.

It can be written as a sum of positive squares in 2 ways, for example, as 2147210244 + 52911076 = 46338^2 + 7274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2200121320.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27501477 + ... + 27501556.

Almost surely, 2^2200121320 is an apocalyptic number.

2200121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200121320 is an abundant number, since it is smaller than the sum of its proper divisors (2750151740).

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

2200121320 is a wasteful number, since it uses less digits than its factorization.

2200121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55003044 (or 55003040 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2200121320 is about 46905.4508559506. The cubic root of 2200121320 is about 1300.6153536474.

Adding to 2200121320 its reverse (231210022), we get a palindrome (2431331342).

The spelling of 2200121320 in words is "two billion, two hundred million, one hundred twenty-one thousand, three hundred twenty".