Base | Representation |
---|---|
bin | 1001001101101010001111… |
… | …01011101100000000100100 |
3 | 2122201220001111102011021200 |
4 | 10212311013223230000210 |
5 | 10123422113210320040 |
6 | 111031324015242500 |
7 | 4160530435101531 |
oct | 446650753540044 |
9 | 78656044364250 |
10 | 20260563370020 |
11 | 6501502915556 |
12 | 2332771819430 |
13 | b3c7419a201c |
14 | 50088b961d88 |
15 | 252055242630 |
hex | 126d47aec024 |
20260563370020 has 72 divisors (see below), whose sum is σ = 61611846072504. Its totient is φ = 5389207769088.
The previous prime is 20260563370007. The next prime is 20260563370037. The reversal of 20260563370020 is 2007336506202.
It is a happy number.
20260563370020 is a `hidden beast` number, since 2 + 0 + 2 + 6 + 0 + 563 + 3 + 70 + 0 + 20 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 126820029924 + 20133743340096 = 356118^2 + 4487064^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141690109 + ... + 141833028.
Almost surely, 220260563370020 is an apocalyptic number.
20260563370020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20260563370020 is an abundant number, since it is smaller than the sum of its proper divisors (41351282702484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20260563370020 is a wasteful number, since it uses less digits than its factorization.
20260563370020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283523549 (or 283523544 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 36.
Adding to 20260563370020 its reverse (2007336506202), we get a palindrome (22267899876222).
The spelling of 20260563370020 in words is "twenty trillion, two hundred sixty billion, five hundred sixty-three million, three hundred seventy thousand, twenty".
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