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20422454302325 = 5261115311614721
BaseRepresentation
bin1001010010010111110010…
…01000100101011001110101
32200022100220221202121202102
410221023321020211121311
510134100141300133300
6111233540155551445
74205321312240105
oct451137110453165
980270827677672
1020422454302325
116564129050089
12235a01275b585
13b51aa19190aa
1450864865d205
1525637cbeb0d5
hex1292f9225675

20422454302325 has 24 divisors (see below), whose sum is σ = 25761314019336. Its totient is φ = 16056188928000.

The previous prime is 20422454302301. The next prime is 20422454302331. The reversal of 20422454302325 is 52320345422402.

It can be written as a sum of positive squares in 12 ways, for example, as 6613136846404 + 13809317455921 = 2571602^2 + 3716089^2 .

It is not a de Polignac number, because 20422454302325 - 28 = 20422454302069 is a prime.

It is a Duffinian number.

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, 4049036 + ... + 7565685.

It is an arithmetic number, because the mean of its divisors is an integer number (1073388084139).

Almost surely, 220422454302325 is an apocalyptic number.

20422454302325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20422454302325 is a deficient number, since it is larger than the sum of its proper divisors (5338859717011).

20422454302325 is a wasteful number, since it uses less digits than its factorization.

20422454302325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11615945 (or 11615940 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 20422454302325 its reverse (52320345422402), we get a palindrome (72742799724727).

The spelling of 20422454302325 in words is "twenty trillion, four hundred twenty-two billion, four hundred fifty-four million, three hundred two thousand, three hundred twenty-five".

Divisors: 1 5 25 61 305 1153 1525 5765 28825 70333 351665 1758325 11614721 58073605 290368025 708497981 3542489905 13391773313 17712449525 66958866565 334794332825 816898172093 4084490860465 20422454302325