Base | Representation |
---|---|
bin | 10010101010001100… |
… | …000010100101011100 |
3 | 1220201021200012000211 |
4 | 102222030002211130 |
5 | 312012444332340 |
6 | 13112022502204 |
7 | 1306326661336 |
oct | 225214024534 |
9 | 56637605024 |
10 | 20035152220 |
11 | 8551359446 |
12 | 3a71894964 |
13 | 1b73a64a75 |
14 | d80c36456 |
15 | 7c3db15ea |
hex | 4aa30295c |
20035152220 has 48 divisors (see below), whose sum is σ = 43455061440. Its totient is φ = 7755111936.
The previous prime is 20035152211. The next prime is 20035152227. The reversal of 20035152220 is 2225153002.
It is a junction number, because it is equal to n+sod(n) for n = 20035152191 and 20035152200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20035152227) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52080 + ... + 206839.
It is an arithmetic number, because the mean of its divisors is an integer number (905313780).
Almost surely, 220035152220 is an apocalyptic number.
20035152220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20035152220 is an abundant number, since it is smaller than the sum of its proper divisors (23419909220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20035152220 is a wasteful number, since it uses less digits than its factorization.
20035152220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259054 (or 259052 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
The spelling of 20035152220 in words is "twenty billion, thirty-five million, one hundred fifty-two thousand, two hundred twenty".
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