Base | Representation |
---|---|
bin | 1001000110101010100011… |
… | …00100111111111010000110 |
3 | 2121212220122221102212102020 |
4 | 10203111101210333322012 |
5 | 10111002343033020402 |
6 | 110325054050424010 |
7 | 4134261332403552 |
oct | 443252144777206 |
9 | 77786587385366 |
10 | 20020211220102 |
11 | 6419584342925 |
12 | 22b4074292006 |
13 | b22b89673982 |
14 | 4d2daa606862 |
15 | 24ab894258bc |
hex | 12355193fe86 |
20020211220102 has 32 divisors (see below), whose sum is σ = 41747277312000. Its totient is φ = 6392551824288.
The previous prime is 20020211220101. The next prime is 20020211220133. The reversal of 20020211220102 is 20102211202002.
It is a super-2 number, since 2×200202112201022 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20020211220101) 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 15 ways as a sum of consecutive naturals, for example, 452964852 + ... + 453009047.
It is an arithmetic number, because the mean of its divisors is an integer number (1304602416000).
Almost surely, 220020211220102 is an apocalyptic number.
20020211220102 is an abundant number, since it is smaller than the sum of its proper divisors (21727066091898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020211220102 is a wasteful number, since it uses less digits than its factorization.
20020211220102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 905974060.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 20020211220102 its reverse (20102211202002), we get a palindrome (40122422422104).
The spelling of 20020211220102 in words is "twenty trillion, twenty billion, two hundred eleven million, two hundred twenty thousand, one hundred two".
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