220579201 has 4 divisors (see below), whose sum is σ = 220626900. Its totient is φ = 220531504.

The previous prime is 220579171. The next prime is 220579213. The reversal of 220579201 is 102975022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 195328576 + 25250625 = 13976^2 + 5025^2 .

It is a cyclic number.

It is not a de Polignac number, because 220579201 - 2¹³ = 220571009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220579201.

It is not an unprimeable number, because it can be changed into a prime (220579231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16066 + ... + 26443.

It is an arithmetic number, because the mean of its divisors is an integer number (55156725).

Almost surely, 2^220579201 is an apocalyptic number.

It is an amenable number.

220579201 is a deficient number, since it is larger than the sum of its proper divisors (47699).

220579201 is an equidigital number, since it uses as much as digits as its factorization.

220579201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47698.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 220579201 is about 14851.9090018758. The cubic root of 220579201 is about 604.2103862287.

It can be divided in two parts, 220579 and 201, that added together give a triangular number (220780 = T₆₆₄).

The spelling of 220579201 in words is "two hundred twenty million, five hundred seventy-nine thousand, two hundred one".