Base | Representation |
---|---|
bin | 1001001011111001110011… |
… | …10011100001100100000100 |
3 | 2122112010020201222002222210 |
4 | 10211330321303201210010 |
5 | 10121430002424014340 |
6 | 110543502204223420 |
7 | 4153262545323162 |
oct | 445747163414404 |
9 | 78463221862883 |
10 | 20200201001220 |
11 | 6488947935449 |
12 | 2322b2653ab70 |
13 | b36b4214ab36 |
14 | 4db9a2d02232 |
15 | 2506c0cb1180 |
hex | 125f39ce1904 |
20200201001220 has 24 divisors (see below), whose sum is σ = 56560562803584. Its totient is φ = 5386720266976.
The previous prime is 20200201001107. The next prime is 20200201001249. The reversal of 20200201001220 is 2210010200202.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 20200201001196 and 20200201001205.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168335008284 + ... + 168335008403.
It is an arithmetic number, because the mean of its divisors is an integer number (2356690116816).
Almost surely, 220200201001220 is an apocalyptic number.
20200201001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20200201001220 is an abundant number, since it is smaller than the sum of its proper divisors (36360361802364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200201001220 is a wasteful number, since it uses less digits than its factorization.
20200201001220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 336670016699 (or 336670016697 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 20200201001220 its reverse (2210010200202), we get a palindrome (22410211201422).
The spelling of 20200201001220 in words is "twenty trillion, two hundred billion, two hundred one million, one thousand, two hundred twenty".
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