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2220320033 = 12971711889
BaseRepresentation
bin1000010001010111…
…0110010100100001
312201201220221111022
42010111312110201
514021400220113
61004153055225
7106010260151
oct20425662441
95651827438
102220320033
11a3a349338
1251b6b7515
13294cc7649
14170c4a761
15cedd2908
hex84576521

2220320033 has 4 divisors (see below), whose sum is σ = 2222033220. Its totient is φ = 2218606848.

The previous prime is 2220320021. The next prime is 2220320041. The reversal of 2220320033 is 3300230222.

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 1398236449 + 822083584 = 37393^2 + 28672^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220320033 - 24 = 2220320017 is a prime.

It is a super-2 number, since 2×22203200332 = 9859642097882242178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2220319993 and 2220320020.

It is not an unprimeable number, because it can be changed into a prime (2220320083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854648 + ... + 857241.

It is an arithmetic number, because the mean of its divisors is an integer number (555508305).

Almost surely, 22220320033 is an apocalyptic number.

It is an amenable number.

2220320033 is a deficient number, since it is larger than the sum of its proper divisors (1713187).

2220320033 is a wasteful number, since it uses less digits than its factorization.

2220320033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713186.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 2220320033 is about 47120.2719962438. The cubic root of 2220320033 is about 1304.5834331480.

Adding to 2220320033 its reverse (3300230222), we get a palindrome (5520550255).

The spelling of 2220320033 in words is "two billion, two hundred twenty million, three hundred twenty thousand, thirty-three".

Divisors: 1 1297 1711889 2220320033