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112020320221220 = 22550911003960729
BaseRepresentation
bin11001011110000111000011…
…011001001111100000100100
3112200122001000201110211021002
4121132013003121033200210
5104140320103434034340
61034125231421412432
732411125651201235
oct3136070331174044
9480561021424232
10112020320221220
1132769607445a34
121069235670a118
134a6761766b268
141d93b5343108c
15ce3d8b611715
hex65e1c364f824

112020320221220 has 24 divisors (see below), whose sum is σ = 235704838836600. Its totient is φ = 44720096398592.

The previous prime is 112020320221217. The next prime is 112020320221241. The reversal of 112020320221220 is 22122023020211.

It can be written as a sum of positive squares in 4 ways, for example, as 33405001446436 + 78615318774784 = 5779706^2 + 8866528^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 112020320221192 and 112020320221201.

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, 5501970185 + ... + 5501990544.

It is an arithmetic number, because the mean of its divisors is an integer number (9821034951525).

Almost surely, 2112020320221220 is an apocalyptic number.

112020320221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112020320221220 is an abundant number, since it is smaller than the sum of its proper divisors (123684518615380).

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

112020320221220 is a wasteful number, since it uses less digits than its factorization.

112020320221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11003961247 (or 11003961245 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 112020320221220 its reverse (22122023020211), we get a palindrome (134142343241431).

The spelling of 112020320221220 in words is "one hundred twelve trillion, twenty billion, three hundred twenty million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 509 1018 2036 2545 5090 10180 11003960729 22007921458 44015842916 55019803645 110039607290 220079214580 5601016011061 11202032022122 22404064044244 28005080055305 56010160110610 112020320221220