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20122110020120 = 2351264739776449
BaseRepresentation
bin1001001001101000010110…
…01110000100101000011000
32122020122200110000020121112
410210310023032010220120
510114140040131120440
6110443545243355452
74144526434043303
oct444641316045030
978218613006545
1020122110020120
116458814584539
12230b971b22b88
13b2c678686a04
144d7cb58dbb3a
1524d6501d2965
hex124d0b384a18

20122110020120 has 32 divisors (see below), whose sum is σ = 45278328564000. Its totient is φ = 8048207382528.

The previous prime is 20122110020063. The next prime is 20122110020171. The reversal of 20122110020120 is 2102001122102.

It is a junction number, because it is equal to n+sod(n) for n = 20122110020095 and 20122110020104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19382345 + ... + 20394104.

It is an arithmetic number, because the mean of its divisors is an integer number (1414947767625).

Almost surely, 220122110020120 is an apocalyptic number.

20122110020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122110020120 is an abundant number, since it is smaller than the sum of its proper divisors (25156218543880).

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

20122110020120 is a wasteful number, since it uses less digits than its factorization.

20122110020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39789107 (or 39789103 counting only the distinct ones).

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

Adding to 20122110020120 its reverse (2102001122102), we get a palindrome (22224111142222).

The spelling of 20122110020120 in words is "twenty trillion, one hundred twenty-two billion, one hundred ten million, twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 12647 25294 50588 63235 101176 126470 252940 505880 39776449 79552898 159105796 198882245 318211592 397764490 795528980 1591057960 503052750503 1006105501006 2012211002012 2515263752515 4024422004024 5030527505030 10061055010060 20122110020120