Base | Representation |
---|---|
bin | 10100100000100000… |
… | …000011111010010100 |
3 | 2002211121201120222110 |
4 | 110200200003322110 |
5 | 330044122041040 |
6 | 14041011231020 |
7 | 1406451602214 |
oct | 244040037224 |
9 | 62747646873 |
10 | 22020112020 |
11 | 937a863095 |
12 | 43265a8470 |
13 | 20cc0743aa |
14 | 10cc6d8244 |
15 | 88d2a2980 |
hex | 520803e94 |
22020112020 has 24 divisors (see below), whose sum is σ = 61656313824. Its totient is φ = 5872029856.
The previous prime is 22020112007. The next prime is 22020112027. The reversal of 22020112020 is 2021102022.
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 = 22020111987 and 22020112005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22020112027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183500874 + ... + 183500993.
It is an arithmetic number, because the mean of its divisors is an integer number (2569013076).
Almost surely, 222020112020 is an apocalyptic number.
22020112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22020112020 is an abundant number, since it is smaller than the sum of its proper divisors (39636201804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22020112020 is a wasteful number, since it uses less digits than its factorization.
22020112020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 367001879 (or 367001877 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 22020112020 its reverse (2021102022), we get a palindrome (24041214042).
It can be divided in two parts, 220201 and 12020, that added together give a triangular number (232221 = T681).
The spelling of 22020112020 in words is "twenty-two billion, twenty million, one hundred twelve thousand, twenty".
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