Search a number
-
+
2230320220 = 225111516011
BaseRepresentation
bin1000010011101111…
…1111110001011100
312202102202000011121
42010323333301130
514031430221340
61005151300324
7106161260212
oct20473776134
95672660147
102230320220
11a44a59657
12522b1a6a4
132970b930b
141722d0cb2
15d0c0a94a
hex84effc5c

2230320220 has 12 divisors (see below), whose sum is σ = 4683672504. Its totient is φ = 892128080.

The previous prime is 2230320217. The next prime is 2230320227. The reversal of 2230320220 is 220230322.

It is a junction number, because it is equal to n+sod(n) for n = 2230320194 and 2230320203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230320227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 55757986 + ... + 55758025.

It is an arithmetic number, because the mean of its divisors is an integer number (390306042).

Almost surely, 22230320220 is an apocalyptic number.

2230320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2230320220 is an abundant number, since it is smaller than the sum of its proper divisors (2453352284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2230320220 is a wasteful number, since it uses less digits than its factorization.

2230320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111516020 (or 111516018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2230320220 is about 47226.2662085412. The cubic root of 2230320220 is about 1306.5390882949.

Adding to 2230320220 its reverse (220230322), we get a palindrome (2450550542).

The spelling of 2230320220 in words is "two billion, two hundred thirty million, three hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 111516011 223032022 446064044 557580055 1115160110 2230320220