220555300503215 has 4 divisors (see below), whose sum is σ = 264666360603864. Its totient is φ = 176444240402568.

The previous prime is 220555300503149. The next prime is 220555300503271. The reversal of 220555300503215 is 512305003555022.

220555300503215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220555300503215 - 2²⁶ = 220555233394351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22055530050317 + ... + 22055530050326.

It is an arithmetic number, because the mean of its divisors is an integer number (66166590150966).

Almost surely, 2^{220555300503215} is an apocalyptic number.

220555300503215 is a deficient number, since it is larger than the sum of its proper divisors (44111060100649).

220555300503215 is an equidigital number, since it uses as much as digits as its factorization.

220555300503215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44111060100648.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 220555300503215 in words is "two hundred twenty trillion, five hundred fifty-five billion, three hundred million, five hundred three thousand, two hundred fifteen".