220984726830 has 64 divisors (see below), whose sum is σ = 606310341120. Its totient is φ = 50495727744.

The previous prime is 220984726829. The next prime is 220984726841. The reversal of 220984726830 is 38627489022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 556437 + ... + 866943.

It is an arithmetic number, because the mean of its divisors is an integer number (9473599080).

Almost surely, 2^220984726830 is an apocalyptic number.

220984726830 is an abundant number, since it is smaller than the sum of its proper divisors (385325614290).

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

220984726830 is a wasteful number, since it uses less digits than its factorization.

220984726830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313913.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 220984726830 in words is "two hundred twenty billion, nine hundred eighty-four million, seven hundred twenty-six thousand, eight hundred thirty".