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202124410220 = 22510106220511
BaseRepresentation
bin1011110000111110001…
…1011011110101101100
3201022201101201220110102
42330033203123311230
511302422322111340
6232504335330232
720413555065545
oct2741743336554
9638641656412
10202124410220
11787a1a62027
123320b080978
13160a24a5945
149ad62c34cc
1553cec0e215
hex2f0f8dbd6c

202124410220 has 12 divisors (see below), whose sum is σ = 424461261504. Its totient is φ = 80849764080.

The previous prime is 202124410193. The next prime is 202124410223. The reversal of 202124410220 is 22014421202.

202124410220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10106220511 = 202124410220 / (2 + 0 + 2 + 1 + 2 + 4 + 4 + 1 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 202124410192 and 202124410201.

It is not an unprimeable number, because it can be changed into a prime (202124410223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5053110236 + ... + 5053110275.

It is an arithmetic number, because the mean of its divisors is an integer number (35371771792).

Almost surely, 2202124410220 is an apocalyptic number.

202124410220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202124410220 is an abundant number, since it is smaller than the sum of its proper divisors (222336851284).

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

202124410220 is a wasteful number, since it uses less digits than its factorization.

202124410220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106220520 (or 10106220518 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202124410220 its reverse (22014421202), we get a palindrome (224138831422).

The spelling of 202124410220 in words is "two hundred two billion, one hundred twenty-four million, four hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10106220511 20212441022 40424882044 50531102555 101062205110 202124410220