Search a number
-
+
220232221201 = 384757247783
BaseRepresentation
bin1100110100011011011…
…1010000001000010001
3210001110100210000100101
43031012313100020101
512102013422034301
6245101232452401
721624362664436
oct3150667201021
9701410700311
10220232221201
1185444390473
12368233aa101
13179c9b530b5
14a933175b8d
155ade7b1701
hex3346dd0211

220232221201 has 4 divisors (see below), whose sum is σ = 220289472832. Its totient is φ = 220174969572.

The previous prime is 220232221199. The next prime is 220232221207. The reversal of 220232221201 is 102122232022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102122232022 = 251061116011.

It is a cyclic number.

It is not a de Polignac number, because 220232221201 - 21 = 220232221199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220232221207) 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, 28620045 + ... + 28627738.

It is an arithmetic number, because the mean of its divisors is an integer number (55072368208).

Almost surely, 2220232221201 is an apocalyptic number.

It is an amenable number.

220232221201 is a deficient number, since it is larger than the sum of its proper divisors (57251631).

220232221201 is an equidigital number, since it uses as much as digits as its factorization.

220232221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57251630.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 220232221201 its reverse (102122232022), we get a palindrome (322354453223).

The spelling of 220232221201 in words is "two hundred twenty billion, two hundred thirty-two million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 3847 57247783 220232221201