Base | Representation |
---|---|
bin | 10010111100000100… |
… | …101000110010001100 |
3 | 1221111012021021011011 |
4 | 102330010220302030 |
5 | 313121302421140 |
6 | 13201501535004 |
7 | 1316632234342 |
oct | 227404506214 |
9 | 57435237134 |
10 | 20335201420 |
11 | 8695766896 |
12 | 3b36274464 |
13 | 1bc0c7c081 |
14 | daca1d992 |
15 | 7e03cecea |
hex | 4bc128c8c |
20335201420 has 48 divisors (see below), whose sum is σ = 44036149248. Its totient is φ = 7883686080.
The previous prime is 20335201417. The next prime is 20335201433. The reversal of 20335201420 is 2410253302.
It is a junction number, because it is equal to n+sod(n) for n = 20335201391 and 20335201400.
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, 8196 + ... + 201835.
It is an arithmetic number, because the mean of its divisors is an integer number (917419776).
Almost surely, 220335201420 is an apocalyptic number.
20335201420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20335201420 is an abundant number, since it is smaller than the sum of its proper divisors (23700947828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20335201420 is a wasteful number, since it uses less digits than its factorization.
20335201420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210190 (or 210188 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
Adding to 20335201420 its reverse (2410253302), we get a palindrome (22745454722).
The spelling of 20335201420 in words is "twenty billion, three hundred thirty-five million, two hundred one thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •