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20410122220 = 2252347434813
BaseRepresentation
bin10011000000100010…
…011011111111101100
31221200102020122011121
4103000202123333230
5313244442402340
613213135430324
71321532114335
oct230042337754
957612218147
1020410122220
118723a88a04
123b573853a4
131c036515c7
14db896328c
157e6c7d94a
hex4c089bfec

20410122220 has 24 divisors (see below), whose sum is σ = 42879617424. Its totient is φ = 8160551616.

The previous prime is 20410122197. The next prime is 20410122223. The reversal of 20410122220 is 2222101402.

It is a junction number, because it is equal to n+sod(n) for n = 20410122194 and 20410122203.

It is not an unprimeable number, because it can be changed into a prime (20410122223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170467 + ... + 264346.

It is an arithmetic number, because the mean of its divisors is an integer number (1786650726).

Almost surely, 220410122220 is an apocalyptic number.

20410122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20410122220 is an abundant number, since it is smaller than the sum of its proper divisors (22469495204).

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

20410122220 is a wasteful number, since it uses less digits than its factorization.

20410122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437169 (or 437167 counting only the distinct ones).

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

Adding to 20410122220 its reverse (2222101402), we get a palindrome (22632223622).

The spelling of 20410122220 in words is "twenty billion, four hundred ten million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2347 4694 9388 11735 23470 46940 434813 869626 1739252 2174065 4348130 8696260 1020506111 2041012222 4082024444 5102530555 10205061110 20410122220