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20122112020120 = 2351145732072773
BaseRepresentation
bin1001001001101000010110…
…10101101100111010011000
32122020122200120202212002121
410210310023111230322120
510114140041134120440
6110443545354311024
74144526460043225
oct444641325547230
978218616685077
1020122112020120
116458815720130
12230b972728474
13b2c678c07146
144d7cb5c9c94c
1524d65047a34a
hex124d0b56ce98

20122112020120 has 32 divisors (see below), whose sum is σ = 49390638595920. Its totient is φ = 7317131643520.

The previous prime is 20122112020091. The next prime is 20122112020169. The reversal of 20122112020120 is 2102021122102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122112020094 and 20122112020103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22866035947 + ... + 22866036826.

Almost surely, 220122112020120 is an apocalyptic number.

20122112020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122112020120 is an abundant number, since it is smaller than the sum of its proper divisors (29268526575800).

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

20122112020120 is a wasteful number, since it uses less digits than its factorization.

20122112020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45732072795 (or 45732072791 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20122112020120 its reverse (2102021122102), we get a palindrome (22224133142222).

The spelling of 20122112020120 in words is "twenty trillion, one hundred twenty-two billion, one hundred twelve million, twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 45732072773 91464145546 182928291092 228660363865 365856582184 457320727730 503052800503 914641455460 1006105601006 1829282910920 2012211202012 2515264002515 4024422404024 5030528005030 10061056010060 20122112020120