| Base | Representation |
|---|---|
| bin | 111100001101000… |
| … | …1001110110100100 |
| 3 | 12012210012211110002 |
| 4 | 1320122021312210 |
| 5 | 13114122401040 |
| 6 | 532242120432 |
| 7 | 101026516400 |
| oct | 17032116644 |
| 9 | 5183184402 |
| 10 | 2020122020 |
| 11 | 947340634 |
| 12 | 484650118 |
| 13 | 2626a1197 |
| 14 | 152416100 |
| 15 | bc539a15 |
| hex | 78689da4 |
2020122020 has 72 divisors (see below), whose sum is σ = 5105109240. Its totient is φ = 668720640.
The previous prime is 2020122017. The next prime is 2020122023. The reversal of 2020122020 is 202210202.
It is an interprime number because it is at equal distance from previous prime (2020122017) and next prime (2020122023).
It can be written as a sum of positive squares in 4 ways, for example, as 470282596 + 1549839424 = 21686^2 + 39368^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2020121992 and 2020122010.
It is not an unprimeable number, because it can be changed into a prime (2020122023) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7121 + ... + 63960.
It is an arithmetic number, because the mean of its divisors is an integer number (70904295).
Almost surely, 22020122020 is an apocalyptic number.
2020122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2020122020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2552554620).
2020122020 is an abundant number, since it is smaller than the sum of its proper divisors (3084987220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020122020 is a wasteful number, since it uses less digits than its factorization.
2020122020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71133 (or 71124 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 11.
The square root of 2020122020 is about 44945.7675426730. The cubic root of 2020122020 is about 1264.1323175388.
Adding to 2020122020 its reverse (202210202), we get a palindrome (2222332222).
The spelling of 2020122020 in words is "two billion, twenty million, one hundred twenty-two thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •