Base | Representation |
---|---|
bin | 1001001100010001101001… |
… | …01100001101110010011100 |
3 | 2122120100021201201202012010 |
4 | 10212020310230031302130 |
5 | 10122132211011213040 |
6 | 110553420221311220 |
7 | 4154224662014016 |
oct | 446106454156234 |
9 | 78510251652163 |
10 | 20213000101020 |
11 | 6493315672581 |
12 | 23254b8a05510 |
13 | b38101a0b87c |
14 | 4dc458ad31b6 |
15 | 250bbe77be80 |
hex | 126234b0dc9c |
20213000101020 has 96 divisors (see below), whose sum is σ = 59824427443200. Its totient is φ = 5085076195584.
The previous prime is 20213000101003. The next prime is 20213000101061. The reversal of 20213000101020 is 2010100031202.
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 = 20213000100987 and 20213000101005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36821059 + ... + 37365978.
It is an arithmetic number, because the mean of its divisors is an integer number (623171119200).
Almost surely, 220213000101020 is an apocalyptic number.
20213000101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20213000101020 is an abundant number, since it is smaller than the sum of its proper divisors (39611427342180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20213000101020 is a wasteful number, since it uses less digits than its factorization.
20213000101020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74187307 (or 74187305 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 20213000101020 its reverse (2010100031202), we get a palindrome (22223100132222).
The spelling of 20213000101020 in words is "twenty trillion, two hundred thirteen billion, one hundred one thousand, twenty".
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