220537350205 has 8 divisors (see below), whose sum is σ = 264662895672. Its totient is φ = 176417829888.

The previous prime is 220537350197. The next prime is 220537350223. The reversal of 220537350205 is 502053735022.

220537350205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2615504164 + 217921846041 = 51142^2 + 466821^2 .

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 220537350205 - 2³ = 220537350197 is a prime.

It is a Duffinian number.

It is a congruent 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, 1425364 + ... + 1572493.

It is an arithmetic number, because the mean of its divisors is an integer number (33082861959).

Almost surely, 2^220537350205 is an apocalyptic number.

It is an amenable number.

220537350205 is a deficient number, since it is larger than the sum of its proper divisors (44125545467).

220537350205 is a wasteful number, since it uses less digits than its factorization.

220537350205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012575.

The product of its (nonzero) digits is 63000, while the sum is 34.

It can be divided in two parts, 22053735020 and 5, that added together give a square (22053735025 = 148505²).

The spelling of 220537350205 in words is "two hundred twenty billion, five hundred thirty-seven million, three hundred fifty thousand, two hundred five".