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220202201102220 = 22355157379761459
BaseRepresentation
bin110010000100010111010001…
…111110011011011110001100
31001212200010101000010211100000
4302010113101332123132030
5212330243101440232340
62100155254503004300
764245040551343161
oct6204272176333614
91055603330124300
10220202201102220
1164188257954227
12208447b3739690
1395b3c948bb01c
143c53bb440a068
151a6ce70732d30
hexc845d1f9b78c

220202201102220 has 288 divisors, whose sum is σ = 698937676819200. Its totient is φ = 58192545325824.

The previous prime is 220202201102137. The next prime is 220202201102231. The reversal of 220202201102220 is 22201102202022.

220202201102220 is a `hidden beast` number, since 220 + 2 + 0 + 220 + 1 + 1 + 0 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220202201102193 and 220202201102202.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 288803851 + ... + 289565309.

It is an arithmetic number, because the mean of its divisors is an integer number (2426866933400).

Almost surely, 2220202201102220 is an apocalyptic number.

220202201102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220202201102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349468838409600).

220202201102220 is an abundant number, since it is smaller than the sum of its proper divisors (478735475716980).

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

220202201102220 is a wasteful number, since it uses less digits than its factorization.

220202201102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762019 (or 762005 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220202201102220 its reverse (22201102202022), we get a palindrome (242403303304242).

The spelling of 220202201102220 in words is "two hundred twenty trillion, two hundred two billion, two hundred one million, one hundred two thousand, two hundred twenty".