Base | Representation |
---|---|
bin | 11000000101101… |
… | …01000000110100 |
3 | 112002020010012202 |
4 | 30002311000310 |
5 | 403212134040 |
6 | 32015004032 |
7 | 5002356410 |
oct | 1402650064 |
9 | 462203182 |
10 | 202068020 |
11 | a4075770 |
12 | 57809618 |
13 | 32b2c69b |
14 | 1cb9dd40 |
15 | 12b17015 |
hex | c0b5034 |
202068020 has 48 divisors (see below), whose sum is σ = 529054848. Its totient is φ = 62981760.
The previous prime is 202068007. The next prime is 202068029. The reversal of 202068020 is 20860202.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 202067983 and 202068001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202068029) 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, 64067 + ... + 67146.
It is an arithmetic number, because the mean of its divisors is an integer number (11021976).
Almost surely, 2202068020 is an apocalyptic number.
202068020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
202068020 is an abundant number, since it is smaller than the sum of its proper divisors (326986828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202068020 is a wasteful number, since it uses less digits than its factorization.
202068020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131240 (or 131238 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 202068020 is about 14215.0631373906. The cubic root of 202068020 is about 586.8122823514.
The spelling of 202068020 in words is "two hundred two million, sixty-eight thousand, twenty".
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