2051227120 has 20 divisors (see below), whose sum is σ = 4769103240. Its totient is φ = 820490816.

The previous prime is 2051227093. The next prime is 2051227153. The reversal of 2051227120 is 217221502.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 2051227091 and 2051227100.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12820090 + ... + 12820249.

It is an arithmetic number, because the mean of its divisors is an integer number (238455162).

Almost surely, 2^2051227120 is an apocalyptic number.

2051227120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051227120 is an abundant number, since it is smaller than the sum of its proper divisors (2717876120).

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

2051227120 is a wasteful number, since it uses less digits than its factorization.

2051227120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25640352 (or 25640346 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2051227120 is about 45290.4749367900. The cubic root of 2051227120 is about 1270.5875141440.

Adding to 2051227120 its reverse (217221502), we get a palindrome (2268448622).

The spelling of 2051227120 in words is "two billion, fifty-one million, two hundred twenty-seven thousand, one hundred twenty".