220894910830 has 32 divisors (see below), whose sum is σ = 434939258880. Its totient is φ = 80106537120.

The previous prime is 220894910809. The next prime is 220894910837. The reversal of 220894910830 is 38019498022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220894910837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2695510 + ... + 2776249.

It is an arithmetic number, because the mean of its divisors is an integer number (13591851840).

Almost surely, 2^220894910830 is an apocalyptic number.

220894910830 is a deficient number, since it is larger than the sum of its proper divisors (214044348050).

220894910830 is a wasteful number, since it uses less digits than its factorization.

220894910830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472144.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 220894910830 in words is "two hundred twenty billion, eight hundred ninety-four million, nine hundred ten thousand, eight hundred thirty".