Base | Representation |
---|---|
bin | 1000001101000000… |
… | …0000100101110100 |
3 | 12200110110210121202 |
4 | 2003100000211310 |
5 | 14002203341040 |
6 | 1002300432032 |
7 | 105365536055 |
oct | 20320004564 |
9 | 5613423552 |
10 | 2202012020 |
11 | a2aa8424a |
12 | 515548618 |
13 | 2912873c0 |
14 | 16c64272c |
15 | cd4b8015 |
hex | 83400974 |
2202012020 has 48 divisors (see below), whose sum is σ = 4983603408. Its totient is φ = 812451840.
The previous prime is 2202011893. The next prime is 2202012037. The reversal of 2202012020 is 202102022.
It can be written as a sum of positive squares in 8 ways, for example, as 133217764 + 2068794256 = 11542^2 + 45484^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2202011992 and 2202012010.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517100 + ... + 521340.
It is an arithmetic number, because the mean of its divisors is an integer number (103825071).
Almost surely, 22202012020 is an apocalyptic number.
2202012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2202012020 is an abundant number, since it is smaller than the sum of its proper divisors (2781591388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2202012020 is a wasteful number, since it uses less digits than its factorization.
2202012020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6260 (or 6258 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 11.
The square root of 2202012020 is about 46925.6009018531. The cubic root of 2202012020 is about 1300.9878133162.
Adding to 2202012020 its reverse (202102022), we get a palindrome (2404114042).
The spelling of 2202012020 in words is "two billion, two hundred two million, twelve thousand, twenty".
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