820560443 has 8 divisors (see below), whose sum is σ = 876150528. Its totient is φ = 766629864.

The previous prime is 820560413. The next prime is 820560463. The reversal of 820560443 is 344065028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 820560443 - 2⁸ = 820560187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (820560413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413855 + ... + 415832.

It is an arithmetic number, because the mean of its divisors is an integer number (109518816).

Almost surely, 2^820560443 is an apocalyptic number.

820560443 is a deficient number, since it is larger than the sum of its proper divisors (55590085).

820560443 is a wasteful number, since it uses less digits than its factorization.

820560443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829753.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 820560443 is about 28645.4262143191. The cubic root of 820560443 is about 936.2033532374.

The spelling of 820560443 in words is "eight hundred twenty million, five hundred sixty thousand, four hundred forty-three".