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112222020220 = 22528119968331
BaseRepresentation
bin110100010000011110…
…1000010001001111100
3101201122221112022002021
41220200331002021330
53314312314121340
6123315403205524
711051652301342
oct1504075021174
9351587468067
10112222020220
114365844a862
12198bab168a4
13a77596b37b
145608353992
152dbc213e4a
hex1a20f4227c

112222020220 has 24 divisors (see below), whose sum is σ = 236504924208. Its totient is φ = 44729059200.

The previous prime is 112222020217. The next prime is 112222020247. The reversal of 112222020220 is 22020222211.

It is a junction number, because it is equal to n+sod(n) for n = 112222020194 and 112222020203.

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, 9978546 + ... + 9989785.

It is an arithmetic number, because the mean of its divisors is an integer number (9854371842).

Almost surely, 2112222020220 is an apocalyptic number.

112222020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112222020220 is an abundant number, since it is smaller than the sum of its proper divisors (124282903988).

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

112222020220 is a wasteful number, since it uses less digits than its factorization.

112222020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19968621 (or 19968619 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 112222020220 its reverse (22020222211), we get a palindrome (134242242431).

The spelling of 112222020220 in words is "one hundred twelve billion, two hundred twenty-two million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 281 562 1124 1405 2810 5620 19968331 39936662 79873324 99841655 199683310 399366620 5611101011 11222202022 22444404044 28055505055 56111010110 112222020220