Base | Representation |
---|---|
bin | 10010110101010001… |
… | …011000011111000100 |
3 | 1221012020120102012110 |
4 | 102311101120133010 |
5 | 312403100231040 |
6 | 13142304221020 |
7 | 1314045350130 |
oct | 226521303704 |
9 | 57166512173 |
10 | 20221102020 |
11 | 8637315269 |
12 | 3b0400a770 |
13 | 1ba343cb32 |
14 | d9b7dc3c0 |
15 | 7d5392980 |
hex | 4b54587c4 |
20221102020 has 96 divisors (see below), whose sum is σ = 66938860800. Its totient is φ = 4462585344.
The previous prime is 20221102007. The next prime is 20221102039. The reversal of 20221102020 is 2020112202.
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 = 20221101987 and 20221102005.
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, 817915 + ... + 842274.
It is an arithmetic number, because the mean of its divisors is an integer number (697279800).
Almost surely, 220221102020 is an apocalyptic number.
20221102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20221102020 is an abundant number, since it is smaller than the sum of its proper divisors (46717758780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20221102020 is a wasteful number, since it uses less digits than its factorization.
20221102020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1660237 (or 1660235 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 20221102020 its reverse (2020112202), we get a palindrome (22241214222).
The spelling of 20221102020 in words is "twenty billion, two hundred twenty-one million, one hundred two thousand, twenty".
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