Search a number
-
+
20012200203 = 32310914891787
BaseRepresentation
bin10010101000110100…
…011111000100001011
31220122200111002210010
4102220310133010023
5311441110401303
613105442523003
71305630616002
oct225064370413
956580432703
1020012200203
11853a402236
123a66066463
131b6c089aa8
14d7bb7dc39
157c1d7ac03
hex4a8d1f10b

20012200203 has 32 divisors (see below), whose sum is σ = 28133107200. Its totient is φ = 12628763136.

The previous prime is 20012200193. The next prime is 20012200207. The reversal of 20012200203 is 30200221002.

It is not a de Polignac number, because 20012200203 - 26 = 20012200139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012200207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11197876 + ... + 11199662.

It is an arithmetic number, because the mean of its divisors is an integer number (879159600).

Almost surely, 220012200203 is an apocalyptic number.

20012200203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20012200203 is a deficient number, since it is larger than the sum of its proper divisors (8120906997).

20012200203 is a wasteful number, since it uses less digits than its factorization.

20012200203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411.

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

Adding to 20012200203 its reverse (30200221002), we get a palindrome (50212421205).

The spelling of 20012200203 in words is "twenty billion, twelve million, two hundred thousand, two hundred three".

Divisors: 1 3 23 69 109 327 1489 1787 2507 4467 5361 7521 34247 41101 102741 123303 162301 194783 486903 584349 2660843 3732923 4480009 7982529 11198769 13440027 61199389 183598167 290031887 870095661 6670733401 20012200203