Search a number
-
+
20233201 = 35835647
BaseRepresentation
bin100110100101…
…1101111110001
31102001221201211
41031023233301
520134430301
62001400121
7333656632
oct115135761
942057654
1020233201
111046a55a
126939041
134265611
142989889
151b9a051
hex134bbf1

20233201 has 4 divisors (see below), whose sum is σ = 20242432. Its totient is φ = 20223972.

The previous prime is 20233193. The next prime is 20233207. The reversal of 20233201 is 10233202.

It is a happy number.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20233201 - 23 = 20233193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20233207) 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, 760 + ... + 6406.

It is an arithmetic number, because the mean of its divisors is an integer number (5060608).

Almost surely, 220233201 is an apocalyptic number.

It is an amenable number.

20233201 is a deficient number, since it is larger than the sum of its proper divisors (9231).

20233201 is an equidigital number, since it uses as much as digits as its factorization.

20233201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20233201 is about 4498.1330571694. The cubic root of 20233201 is about 272.4926957052.

Adding to 20233201 its reverse (10233202), we get a palindrome (30466403).

Subtracting from 20233201 its reverse (10233202), we obtain a palindrome (9999999).

The spelling of 20233201 in words is "twenty million, two hundred thirty-three thousand, two hundred one".

Divisors: 1 3583 5647 20233201