220928264920 has 32 divisors (see below), whose sum is σ = 542278469520. Its totient is φ = 80337550720.

The previous prime is 220928264897. The next prime is 220928264971. The reversal of 220928264920 is 29462829022.

220928264920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251054407 + ... + 251055286.

Almost surely, 2^220928264920 is an apocalyptic number.

220928264920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220928264920 is an abundant number, since it is smaller than the sum of its proper divisors (321350204600).

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

220928264920 is a wasteful number, since it uses less digits than its factorization.

220928264920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502109715 (or 502109711 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 220928264920 in words is "two hundred twenty billion, nine hundred twenty-eight million, two hundred sixty-four thousand, nine hundred twenty".