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20220120112 = 241980982217
BaseRepresentation
bin10010110101001101…
…101000110000110000
31221012011201112021111
4102311031220300300
5312402322320422
613142231203104
71314034120333
oct226515506060
957164645244
1020220120112
118636804575
123b03816494
131ba3187c1a
14d9b62461a
157d524ba77
hex4b5368c30

20220120112 has 40 divisors (see below), whose sum is σ = 41289879600. Its totient is φ = 9565996032.

The previous prime is 20220120097. The next prime is 20220120187. The reversal of 20220120112 is 21102102202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20220120092 and 20220120101.

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, 204828 + ... + 287044.

It is an arithmetic number, because the mean of its divisors is an integer number (1032246990).

Almost surely, 220220120112 is an apocalyptic number.

It is an amenable number.

20220120112 is an abundant number, since it is smaller than the sum of its proper divisors (21069759488).

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

20220120112 is a wasteful number, since it uses less digits than its factorization.

20220120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83053 (or 83047 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20220120112 its reverse (21102102202), we get a palindrome (41322222314).

The spelling of 20220120112 in words is "twenty billion, two hundred twenty million, one hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 152 304 809 1618 3236 6472 12944 15371 30742 61484 82217 122968 164434 245936 328868 657736 1315472 1562123 3124246 6248492 12496984 24993968 66513553 133027106 266054212 532108424 1064216848 1263757507 2527515014 5055030028 10110060056 20220120112