8220871152560 has 80 divisors (see below), whose sum is σ = 20852250718752. Its totient is φ = 2989245388800.

The previous prime is 8220871152437. The next prime is 8220871152583. The reversal of 8220871152560 is 652511780228.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16600052 + ... + 17088108.

Almost surely, 2^{8220871152560} is an apocalyptic number.

8220871152560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8220871152560 is an abundant number, since it is smaller than the sum of its proper divisors (12631379566192).

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

8220871152560 is a wasteful number, since it uses less digits than its factorization.

8220871152560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507222 (or 507216 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 8220871152560 in words is "eight trillion, two hundred twenty billion, eight hundred seventy-one million, one hundred fifty-two thousand, five hundred sixty".