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20000224230 = 2357317300439
BaseRepresentation
bin10010101000000110…
…110011001111100110
31220121211221122211120
4102220012303033212
5311430024133410
613104334114410
71305424046430
oct225006631746
956554848746
1020000224230
118533672538
123a6204ba06
131b69755a0c
14d7a343650
157c0cb2570
hex4a81b33e6

20000224230 has 64 divisors (see below), whose sum is σ = 55030993920. Its totient is φ = 4557043584.

The previous prime is 20000224169. The next prime is 20000224247. The reversal of 20000224230 is 3242200002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 83650 + ... + 216789.

It is an arithmetic number, because the mean of its divisors is an integer number (859859280).

Almost surely, 220000224230 is an apocalyptic number.

20000224230 is an abundant number, since it is smaller than the sum of its proper divisors (35030769690).

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

20000224230 is a wasteful number, since it uses less digits than its factorization.

20000224230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300773.

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20000224230 its reverse (3242200002), we get a palindrome (23242424232).

The spelling of 20000224230 in words is "twenty billion, two hundred twenty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 317 634 951 1585 1902 2219 3170 4438 4755 6657 9510 11095 13314 22190 33285 66570 300439 600878 901317 1502195 1802634 2103073 3004390 4206146 4506585 6309219 9013170 10515365 12618438 21030730 31546095 63092190 95239163 190478326 285717489 476195815 571434978 666674141 952391630 1333348282 1428587445 2000022423 2857174890 3333370705 4000044846 6666741410 10000112115 20000224230