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20335114400 = 2552174136469
BaseRepresentation
bin10010111100000100…
…010011100010100000
31221111012002211210012
4102330010103202200
5313121242130100
613201500024052
71316631422546
oct227404234240
957435084705
1020335114400
118695707477
123b36232028
131bc0c4b593
14dac9d9d96
157e03b4135
hex4bc1138a0

20335114400 has 144 divisors (see below), whose sum is σ = 53846787960. Its totient is φ = 7468646400.

The previous prime is 20335114399. The next prime is 20335114433. The reversal of 20335114400 is 441153302.

It can be written as a sum of positive squares in 12 ways, for example, as 26584336 + 20308530064 = 5156^2 + 142508^2 .

It is a super-2 number, since 2×203351144002 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 539366 + ... + 575834.

Almost surely, 220335114400 is an apocalyptic number.

20335114400 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 20335114400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26923393980).

20335114400 is an abundant number, since it is smaller than the sum of its proper divisors (33511673560).

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

20335114400 is a wasteful number, since it uses less digits than its factorization.

20335114400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36547 (or 36534 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20335114400 its reverse (441153302), we get a palindrome (20776267702).

The spelling of 20335114400 in words is "twenty billion, three hundred thirty-five million, one hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 41 50 68 80 82 85 100 136 160 164 170 200 205 272 328 340 400 410 425 544 656 680 697 800 820 850 1025 1312 1360 1394 1640 1700 2050 2720 2788 3280 3400 3485 4100 5576 6560 6800 6970 8200 11152 13600 13940 16400 17425 22304 27880 32800 34850 36469 55760 69700 72938 111520 139400 145876 182345 278800 291752 364690 557600 583504 619973 729380 911725 1167008 1239946 1458760 1495229 1823450 2479892 2917520 2990458 3099865 3646900 4959784 5835040 5980916 6199730 7293800 7476145 9919568 11961832 12399460 14587600 14952290 15499325 19839136 23923664 24798920 25418893 29175200 29904580 30998650 37380725 47847328 49597840 50837786 59809160 61997300 74761450 99195680 101675572 119618320 123994600 127094465 149522900 203351144 239236640 247989200 254188930 299045800 406702288 495978400 508377860 598091600 635472325 813404576 1016755720 1196183200 1270944650 2033511440 2541889300 4067022880 5083778600 10167557200 20335114400