220859897545 has 8 divisors (see below), whose sum is σ = 302893573824. Its totient is φ = 151446786864.

The previous prime is 220859897537. The next prime is 220859897551. The reversal of 220859897545 is 545798958022.

220859897545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220859897545 - 2³ = 220859897537 is a prime.

It is a Duffinian 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, 3155141359 + ... + 3155141428.

It is an arithmetic number, because the mean of its divisors is an integer number (37861696728).

Almost surely, 2^220859897545 is an apocalyptic number.

It is an amenable number.

220859897545 is a deficient number, since it is larger than the sum of its proper divisors (82033676279).

220859897545 is an equidigital number, since it uses as much as digits as its factorization.

220859897545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310282799.

The product of its (nonzero) digits is 72576000, while the sum is 64.

The spelling of 220859897545 in words is "two hundred twenty billion, eight hundred fifty-nine million, eight hundred ninety-seven thousand, five hundred forty-five".