Base | Representation |
---|---|
bin | 10010101111011000… |
… | …000111001111110000 |
3 | 1220221100110211102020 |
4 | 102233120013033300 |
5 | 312202240444440 |
6 | 13124412351440 |
7 | 1311434622135 |
oct | 225730071760 |
9 | 56840424366 |
10 | 20122203120 |
11 | 8596506038 |
12 | 3a96a75580 |
13 | 1b88ac3586 |
14 | d8c61658c |
15 | 7cb8593d0 |
hex | 4af6073f0 |
20122203120 has 40 divisors (see below), whose sum is σ = 62378830416. Its totient is φ = 5365920768.
The previous prime is 20122203113. The next prime is 20122203161. The reversal of 20122203120 is 2130222102.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 20122203120.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41921017 + ... + 41921496.
Almost surely, 220122203120 is an apocalyptic number.
20122203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20122203120 is an abundant number, since it is smaller than the sum of its proper divisors (42256627296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122203120 is a wasteful number, since it uses less digits than its factorization.
20122203120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83842529 (or 83842523 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 20122203120 its reverse (2130222102), we get a palindrome (22252425222).
The spelling of 20122203120 in words is "twenty billion, one hundred twenty-two million, two hundred three thousand, one hundred twenty".
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