Base | Representation |
---|---|
bin | 10010110101001110… |
… | …010111100111010100 |
3 | 1221012012002021112012 |
4 | 102311032113213110 |
5 | 312402344441040 |
6 | 13142235243352 |
7 | 1314035546666 |
oct | 226516274724 |
9 | 57165067465 |
10 | 20220312020 |
11 | 8636925777 |
12 | 3b038a9558 |
13 | 1ba322438c |
14 | d9b674536 |
15 | 7d5288865 |
hex | 4b53979d4 |
20220312020 has 24 divisors (see below), whose sum is σ = 42484726368. Its totient is φ = 8083920800.
The previous prime is 20220311983. The next prime is 20220312083. The reversal of 20220312020 is 2021302202.
It is a super-2 number, since 2×202203120202 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20220311986 and 20220312004.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223166 + ... + 300405.
It is an arithmetic number, because the mean of its divisors is an integer number (1770196932).
Almost surely, 220220312020 is an apocalyptic number.
20220312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20220312020 is an abundant number, since it is smaller than the sum of its proper divisors (22264414348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20220312020 is a wasteful number, since it uses less digits than its factorization.
20220312020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 525511 (or 525509 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 20220312020 its reverse (2021302202), we get a palindrome (22241614222).
The spelling of 20220312020 in words is "twenty billion, two hundred twenty million, three hundred twelve thousand, twenty".
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