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20003200201 = 51427388963
BaseRepresentation
bin10010101000010010…
…001001110011001001
31220122001112212002201
4102220102021303021
5311431304401301
613104522000201
71305461252635
oct225022116311
956561485081
1020003200201
118535315416
123a63046061
131b6a25844a
14d7a8b9dc5
157c119e201
hex4a8489cc9

20003200201 has 4 divisors (see below), whose sum is σ = 20003640592. Its totient is φ = 20002759812.

The previous prime is 20003200183. The next prime is 20003200207. The reversal of 20003200201 is 10200230002.

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: 10200230002 = 25100115001.

It is a cyclic number.

It is not a de Polignac number, because 20003200201 - 211 = 20003198153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003200207) 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, 143055 + ... + 245908.

It is an arithmetic number, because the mean of its divisors is an integer number (5000910148).

Almost surely, 220003200201 is an apocalyptic number.

It is an amenable number.

20003200201 is a deficient number, since it is larger than the sum of its proper divisors (440391).

20003200201 is an equidigital number, since it uses as much as digits as its factorization.

20003200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440390.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20003200201 its reverse (10200230002), we get a palindrome (30203430203).

The spelling of 20003200201 in words is "twenty billion, three million, two hundred thousand, two hundred one".

Divisors: 1 51427 388963 20003200201