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20221020011120 = 2451768321769249
BaseRepresentation
bin1001001100100000100101…
…01101101111101001110000
32122121002222122121101121112
410212100102231233221300
510122300122110323440
6111001224112012452
74154630504100065
oct446202255575160
978532878541545
1020221020011120
1164967606a9755
122326b76831128
13b38aac4031c6
144dc9b9ca0c6c
15250edd8ab965
hex126412b6fa70

20221020011120 has 80 divisors (see below), whose sum is σ = 49852279116000. Its totient is φ = 7601473093632.

The previous prime is 20221020011113. The next prime is 20221020011123. The reversal of 20221020011120 is 2111002012202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 20221020011095 and 20221020011104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221020011123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9955745 + ... + 11813504.

It is an arithmetic number, because the mean of its divisors is an integer number (623153488950).

Almost surely, 220221020011120 is an apocalyptic number.

20221020011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221020011120 is an abundant number, since it is smaller than the sum of its proper divisors (29631259104880).

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

20221020011120 is a wasteful number, since it uses less digits than its factorization.

20221020011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21769962 (or 21769956 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221020011120 its reverse (2111002012202), we get a palindrome (22332022023322).

The spelling of 20221020011120 in words is "twenty trillion, two hundred twenty-one billion, twenty million, eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 683 1360 1366 2732 3415 5464 6830 10928 11611 13660 23222 27320 46444 54640 58055 92888 116110 185776 232220 464440 928880 21769249 43538498 87076996 108846245 174153992 217692490 348307984 370077233 435384980 740154466 870769960 1480308932 1741539920 1850386165 2960617864 3700772330 5921235728 7401544660 14803089320 14868397067 29606178640 29736794134 59473588268 74341985335 118947176536 148683970670 237894353072 252762750139 297367941340 505525500278 594735882680 1011051000556 1189471765360 1263813750695 2022102001112 2527627501390 4044204002224 5055255002780 10110510005560 20221020011120