2012446720 has 128 divisors (see below), whose sum is σ = 4926134880. Its totient is φ = 789053440.

The previous prime is 2012446717. The next prime is 2012446721. The reversal of 2012446720 is 276442102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012446721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11632554 + ... + 11632726.

Almost surely, 2^2012446720 is an apocalyptic number.

2012446720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012446720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2463067440).

2012446720 is an abundant number, since it is smaller than the sum of its proper divisors (2913688160).

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

2012446720 is an frugal number, since it uses more digits than its factorization.

2012446720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 2012446720 is about 44860.3022727221. The cubic root of 2012446720 is about 1262.5292940953.

Adding to 2012446720 its reverse (276442102), we get a palindrome (2288888822).

The spelling of 2012446720 in words is "two billion, twelve million, four hundred forty-six thousand, seven hundred twenty".