220705012 has 12 divisors (see below), whose sum is σ = 421346016. Its totient is φ = 100320440.

The previous prime is 220705003. The next prime is 220705019. The reversal of 220705012 is 210507022.

220705012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220705019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507968 + ... + 2508055.

It is an arithmetic number, because the mean of its divisors is an integer number (35112168).

Almost surely, 2^220705012 is an apocalyptic number.

220705012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220705012 is a deficient number, since it is larger than the sum of its proper divisors (200641004).

220705012 is a wasteful number, since it uses less digits than its factorization.

220705012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5016038 (or 5016036 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 220705012 is about 14856.1439142195. The cubic root of 220705012 is about 604.3252381954.

The spelling of 220705012 in words is "two hundred twenty million, seven hundred five thousand, twelve".