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20320200201 = 371019580481
BaseRepresentation
bin10010111011001011…
…011010011000001001
31221110011001010100110
4102323023122120021
5313103432401301
613200204224533
71316360565120
oct227313323011
957404033313
1020320200201
118688250194
123b3123b149
131bbab29002
14daaa36ab7
157dde1a0d6
hex4bb2da609

20320200201 has 16 divisors (see below), whose sum is σ = 31270693248. Its totient is φ = 11496576000.

The previous prime is 20320200157. The next prime is 20320200217. The reversal of 20320200201 is 10200202302.

It is not a de Polignac number, because 20320200201 - 27 = 20320200073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20320210201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4788120 + ... + 4792361.

It is an arithmetic number, because the mean of its divisors is an integer number (1954418328).

Almost surely, 220320200201 is an apocalyptic number.

20320200201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20320200201 is a deficient number, since it is larger than the sum of its proper divisors (10950493047).

20320200201 is a wasteful number, since it uses less digits than its factorization.

20320200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9580592.

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

Adding to 20320200201 its reverse (10200202302), we get a palindrome (30520402503).

The spelling of 20320200201 in words is "twenty billion, three hundred twenty million, two hundred thousand, two hundred one".

Divisors: 1 3 7 21 101 303 707 2121 9580481 28741443 67063367 201190101 967628581 2902885743 6773400067 20320200201