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20424252350 = 2521931693523
BaseRepresentation
bin10011000001011000…
…010101101110111110
31221201101211112001202
4103001120111232332
5313312102033400
613214402335502
71322063165135
oct230130255676
957641745052
1020424252350
118730a5a0a7
123b6005a592
131c0655b028
14dba7a091c
157e81204d5
hex4c1615bbe

20424252350 has 48 divisors (see below), whose sum is σ = 41278548480. Its totient is φ = 7490037600.

The previous prime is 20424252209. The next prime is 20424252383. The reversal of 20424252350 is 5325242402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317312 + ... + 376211.

It is an arithmetic number, because the mean of its divisors is an integer number (859969760).

Almost surely, 220424252350 is an apocalyptic number.

20424252350 is an abundant number, since it is smaller than the sum of its proper divisors (20854296130).

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

20424252350 is a wasteful number, since it uses less digits than its factorization.

20424252350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693585 (or 693580 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 20424252350 its reverse (5325242402), we get a palindrome (25749494752).

The spelling of 20424252350 in words is "twenty billion, four hundred twenty-four million, two hundred fifty-two thousand, three hundred fifty".

Divisors: 1 2 5 10 19 25 31 38 50 62 95 155 190 310 475 589 775 950 1178 1550 2945 5890 14725 29450 693523 1387046 3467615 6935230 13176937 17338075 21499213 26353874 34676150 42998426 65884685 107496065 131769370 214992130 329423425 408485047 537480325 658846850 816970094 1074960650 2042425235 4084850470 10212126175 20424252350