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10222020222020 = 225511101011101
BaseRepresentation
bin1001010010111111111111…
…1000100101110001000100
31100012012211011110010012022
42110233333320211301010
52314434144134101040
633423533052542312
72103342122162315
oct224577770456104
940165734403168
1010222020222020
113291152a22a12
121191119a81998
13591c17559b69
14274a6993660c
1512ad7168c6b5
hex94bffe25c44

10222020222020 has 12 divisors (see below), whose sum is σ = 21466242466284. Its totient is φ = 4088808088800.

The previous prime is 10222020221977. The next prime is 10222020222053. The reversal of 10222020222020 is 2022202022201.

It can be written as a sum of positive squares in 2 ways, for example, as 6195359946304 + 4026660275716 = 2489048^2 + 2006654^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10222020222020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255550505531 + ... + 255550505570.

It is an arithmetic number, because the mean of its divisors is an integer number (1788853538857).

Almost surely, 210222020222020 is an apocalyptic number.

10222020222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222020222020 is an abundant number, since it is smaller than the sum of its proper divisors (11244222244264).

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

10222020222020 is a wasteful number, since it uses less digits than its factorization.

10222020222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511101011110 (or 511101011108 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 10222020222020 its reverse (2022202022201), we get a palindrome (12244222244221).

The spelling of 10222020222020 in words is "ten trillion, two hundred twenty-two billion, twenty million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 511101011101 1022202022202 2044404044404 2555505055505 5111010111010 10222020222020