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20002231220200 = 2352737559181243
BaseRepresentation
bin1001000110001001000011…
…11000101111011111101000
32121211012020212220020100221
410203010201320233133220
510110204032143021300
6110312522000535424
74133053636051015
oct443044170573750
977735225806327
1020002231220200
116411998080879
1222b0696921574
13b21282626888
144d218270470c
1524a485bbd31a
hex123121e2f7e8

20002231220200 has 96 divisors (see below), whose sum is σ = 47148741662400. Its totient is φ = 7890203727360.

The previous prime is 20002231220141. The next prime is 20002231220203. The reversal of 20002231220200 is 202213220002.

It is not an unprimeable number, because it can be changed into a prime (20002231220203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110270779 + ... + 110452021.

It is an arithmetic number, because the mean of its divisors is an integer number (491132725650).

Almost surely, 220002231220200 is an apocalyptic number.

20002231220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002231220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23574370831200).

20002231220200 is an abundant number, since it is smaller than the sum of its proper divisors (27146510442200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002231220200 is a wasteful number, since it uses less digits than its factorization.

20002231220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188891 (or 188882 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20002231220200 its reverse (202213220002), we get a palindrome (20204444440202).

The spelling of 20002231220200 in words is "twenty trillion, two billion, two hundred thirty-one million, two hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 73 100 146 200 292 365 584 730 1460 1825 2920 3650 7300 7559 14600 15118 30236 37795 60472 75590 151180 181243 188975 302360 362486 377950 551807 724972 755900 906215 1103614 1449944 1511800 1812430 2207228 2759035 3624860 4414456 4531075 5518070 7249720 9062150 11036140 13230739 13795175 18124300 22072280 26461478 27590350 36248600 52922956 55180700 66153695 105845912 110361400 132307390 264614780 330768475 529229560 661536950 1323073900 1370015837 2646147800 2740031674 5480063348 6850079185 10960126696 13700158370 27400316740 34250395925 54800633480 68500791850 100011156101 137001583700 200022312202 274003167400 400044624404 500055780505 800089248808 1000111561010 2000223122020 2500278902525 4000446244040 5000557805050 10001115610100 20002231220200