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220230201 = 3316323209
BaseRepresentation
bin11010010000001…
…11001000111001
3120100101212001010
431020013020321
5422334331301
633504144133
75312632362
oct1510071071
9510355033
10220230201
11103350234
1261908049
133681b439
142136ab69
15145035d6
hexd207239

220230201 has 8 divisors (see below), whose sum is σ = 293745760. Its totient is φ = 146767392.

The previous prime is 220230187. The next prime is 220230209. The reversal of 220230201 is 102032022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220230201 - 214 = 220213817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220230209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116 + ... + 21093.

It is an arithmetic number, because the mean of its divisors is an integer number (36718220).

Almost surely, 2220230201 is an apocalyptic number.

It is an amenable number.

220230201 is a deficient number, since it is larger than the sum of its proper divisors (73515559).

220230201 is a wasteful number, since it uses less digits than its factorization.

220230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26375.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 220230201 is about 14840.1550194060. The cubic root of 220230201 is about 603.8915578380.

Adding to 220230201 its reverse (102032022), we get a palindrome (322262223).

The spelling of 220230201 in words is "two hundred twenty million, two hundred thirty thousand, two hundred one".

Divisors: 1 3 3163 9489 23209 69627 73410067 220230201