220584101 has 4 divisors (see below), whose sum is σ = 222768204. Its totient is φ = 218400000.

The previous prime is 220584029. The next prime is 220584103. The reversal of 220584101 is 101485022.

220584101 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, and also an emirpimes, since its reverse is a distinct semiprime: 101485022 = 2 ⋅50742511.

It can be written as a sum of positive squares in 2 ways, for example, as 118048225 + 102535876 = 10865^2 + 10126^2 .

It is a cyclic number.

It is not a de Polignac number, because 220584101 - 2²⁶ = 153475237 is a prime.

It is a super-2 number, since 2×220584101² = 97314691227956402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220584103) 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, 1091900 + ... + 1092101.

It is an arithmetic number, because the mean of its divisors is an integer number (55692051).

Almost surely, 2^220584101 is an apocalyptic number.

It is an amenable number.

220584101 is a deficient number, since it is larger than the sum of its proper divisors (2184103).

220584101 is a wasteful number, since it uses less digits than its factorization.

220584101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184102.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 220584101 is about 14852.0739629184. The cubic root of 220584101 is about 604.2148602211.

The spelling of 220584101 in words is "two hundred twenty million, five hundred eighty-four thousand, one hundred one".