220497280528 has 40 divisors (see below), whose sum is σ = 488567479680. Its totient is φ = 94436221440.

The previous prime is 220497280477. The next prime is 220497280559. The reversal of 220497280528 is 825082794022.

220497280528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

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, 482233 + ... + 820696.

It is an arithmetic number, because the mean of its divisors is an integer number (12214186992).

Almost surely, 2^220497280528 is an apocalyptic number.

220497280528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

220497280528 is an abundant number, since it is smaller than the sum of its proper divisors (268070199152).

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

220497280528 is a wasteful number, since it uses less digits than its factorization.

220497280528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304455 (or 1304449 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 220497280528 in words is "two hundred twenty billion, four hundred ninety-seven million, two hundred eighty thousand, five hundred twenty-eight".