220547070 has 32 divisors (see below), whose sum is σ = 588126240. Its totient is φ = 58812480.

The previous prime is 220547039. The next prime is 220547099. The reversal of 220547070 is 70745022.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 408151 + ... + 408690.

It is an arithmetic number, because the mean of its divisors is an integer number (18378945).

Almost surely, 2^220547070 is an apocalyptic number.

220547070 is an abundant number, since it is smaller than the sum of its proper divisors (367579170).

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

220547070 is a wasteful number, since it uses less digits than its factorization.

220547070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816857 (or 816851 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 220547070 is about 14850.8272496855. The cubic root of 220547070 is about 604.1810470669.

The spelling of 220547070 in words is "two hundred twenty million, five hundred forty-seven thousand, seventy".