Search a number
-
+
20600442446025 = 35213277253130137
BaseRepresentation
bin1001010111100011010100…
…00011011110000011001001
32200221101100020212010222210
410223301222003132003021
510200004201231233100
6111451413531335333
74224222111425001
oct453615203360311
980841306763883
1020600442446025
116622664787902
1223886065b1549
13b657c87c4810
145130d1195001
1525ace899dc50
hex12bc6a0de0c9

20600442446025 has 96 divisors (see below), whose sum is σ = 36827534636928. Its totient is φ = 10100815718400.

The previous prime is 20600442446021. The next prime is 20600442446047. The reversal of 20600442446025 is 52064424400602.

It is not a de Polignac number, because 20600442446025 - 22 = 20600442446021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20600442446021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 683544757 + ... + 683574893.

It is an arithmetic number, because the mean of its divisors is an integer number (383620152468).

Almost surely, 220600442446025 is an apocalyptic number.

20600442446025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20600442446025 is a deficient number, since it is larger than the sum of its proper divisors (16227092190903).

20600442446025 is a wasteful number, since it uses less digits than its factorization.

20600442446025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32971 (or 32966 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 20600442446025 its reverse (52064424400602), we get a palindrome (72664866846627).

The spelling of 20600442446025 in words is "twenty trillion, six hundred billion, four hundred forty-two million, four hundred forty-six thousand, twenty-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 277 325 831 975 1385 2531 3601 4155 6925 7593 10803 12655 18005 20775 30137 32903 37965 54015 63275 90025 90411 98709 150685 164515 189825 270075 391781 452055 493545 701087 753425 822575 1175343 1958905 2103261 2260275 2467725 3505435 5876715 8347949 9114131 9794525 10516305 17527175 25043847 27342393 29383575 41739745 45570655 52581525 76276747 108523337 125219235 136711965 208698725 227853275 228830241 325570011 381383735 542616685 626096175 683559825 991597711 1144151205 1627850055 1906918675 2713083425 2974793133 4957988555 5720756025 8139250275 14873965665 21128658919 24789942775 63385976757 74369828325 105643294595 274672565947 316929883785 528216472975 824017697841 1373362829735 1584649418925 4120088489205 6866814148675 20600442446025