220066070 has 64 divisors (see below), whose sum is σ = 481489920. Its totient is φ = 70781568.

The previous prime is 220066061. The next prime is 220066073. The reversal of 220066070 is 70660022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220066073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84041 + ... + 86619.

It is an arithmetic number, because the mean of its divisors is an integer number (7523280).

Almost surely, 2^220066070 is an apocalyptic number.

220066070 is an abundant number, since it is smaller than the sum of its proper divisors (261423850).

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

220066070 is a wasteful number, since it uses less digits than its factorization.

220066070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 220066070 is about 14834.6240262435. The cubic root of 220066070 is about 603.7414997653.

The spelling of 220066070 in words is "two hundred twenty million, sixty-six thousand, seventy".