2200120420 has 24 divisors (see below), whose sum is σ = 4638670848. Its totient is φ = 876540000.

The previous prime is 2200120357. The next prime is 2200120423. The reversal of 2200120420 is 240210022.

It is a self number, because there is not a number n which added to its sum of digits gives 2200120420.

It is not an unprimeable number, because it can be changed into a prime (2200120423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214116 + ... + 224155.

It is an arithmetic number, because the mean of its divisors is an integer number (193277952).

Almost surely, 2^2200120420 is an apocalyptic number.

2200120420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200120420 is an abundant number, since it is smaller than the sum of its proper divisors (2438550428).

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

2200120420 is a wasteful number, since it uses less digits than its factorization.

2200120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438531 (or 438529 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2200120420 is about 46905.4412621819. The cubic root of 2200120420 is about 1300.6151763006.

Adding to 2200120420 its reverse (240210022), we get a palindrome (2440330442).

The spelling of 2200120420 in words is "two billion, two hundred million, one hundred twenty thousand, four hundred twenty".