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20122002211120 = 245312261732599
BaseRepresentation
bin1001001001101000001001…
…10010110100000100110000
32122020122101221010222110121
410210310010302310010300
510114134330031223440
6110443530432540024
74144523654505325
oct444640462640460
978218357128417
1020122002211120
116458769739a97
12230b9419b1614
13b2c65c23a9c4
144d7ca5476b4c
1524d6459d934a
hex124d04cb4130

20122002211120 has 60 divisors (see below), whose sum is σ = 48341487754800. Its totient is φ = 7789162116480.

The previous prime is 20122002211111. The next prime is 20122002211121. The reversal of 20122002211120 is 2111220022102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20122002211094 and 20122002211103.

It is not an unprimeable number, because it can be changed into a prime (20122002211121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130789420 + ... + 130943179.

It is an arithmetic number, because the mean of its divisors is an integer number (805691462580).

Almost surely, 220122002211120 is an apocalyptic number.

20122002211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122002211120 is an abundant number, since it is smaller than the sum of its proper divisors (28219485543680).

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

20122002211120 is a wasteful number, since it uses less digits than its factorization.

20122002211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261732674 (or 261732637 counting only the distinct ones).

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

Adding to 20122002211120 its reverse (2111220022102), we get a palindrome (22233222233222).

The spelling of 20122002211120 in words is "twenty trillion, one hundred twenty-two billion, two million, two hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 961 1240 1922 2480 3844 4805 7688 9610 15376 19220 38440 76880 261732599 523465198 1046930396 1308662995 2093860792 2617325990 4187721584 5234651980 8113710569 10469303960 16227421138 20938607920 32454842276 40568552845 64909684552 81137105690 129819369104 162274211380 251525027639 324548422760 503050055278 649096845520 1006100110556 1257625138195 2012200221112 2515250276390 4024400442224 5030500552780 10061001105560 20122002211120