Base | Representation |
---|---|
bin | 10010111001111111… |
… | …001111100100111100 |
3 | 1221101202110200112020 |
4 | 102321333033210330 |
5 | 313033324424040 |
6 | 13154212240140 |
7 | 1316026063554 |
oct | 227177174474 |
9 | 57352420466 |
10 | 20300233020 |
11 | 8677a52591 |
12 | 3b26610050 |
13 | 1bb6957802 |
14 | da811a164 |
15 | 7dc2c3cd0 |
hex | 4b9fcf93c |
20300233020 has 24 divisors (see below), whose sum is σ = 56840652624. Its totient is φ = 5413395456.
The previous prime is 20300232977. The next prime is 20300233147. The reversal of 20300233020 is 2033200302.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 169168549 + ... + 169168668.
It is an arithmetic number, because the mean of its divisors is an integer number (2368360526).
Almost surely, 220300233020 is an apocalyptic number.
20300233020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20300233020 is an abundant number, since it is smaller than the sum of its proper divisors (36540419604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20300233020 is a wasteful number, since it uses less digits than its factorization.
20300233020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338337229 (or 338337227 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 15.
Adding to 20300233020 its reverse (2033200302), we get a palindrome (22333433322).
The spelling of 20300233020 in words is "twenty billion, three hundred million, two hundred thirty-three thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •