Base | Representation |
---|---|
bin | 100110100001… |
… | …1111011110010 |
3 | 1102000022211200 |
4 | 1031003323302 |
5 | 20132414302 |
6 | 2000552030 |
7 | 333464430 |
oct | 115037362 |
9 | 42008750 |
10 | 20201202 |
11 | 1044850a |
12 | 6922616 |
13 | 4253b98 |
14 | 297bd50 |
15 | 1b9081c |
hex | 1343ef2 |
20201202 has 48 divisors (see below), whose sum is σ = 52970112. Its totient is φ = 5431680.
The previous prime is 20201191. The next prime is 20201227. The reversal of 20201202 is 20210202.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2574 + ... + 6857.
It is an arithmetic number, because the mean of its divisors is an integer number (1103544).
Almost surely, 220201202 is an apocalyptic number.
20201202 is an abundant number, since it is smaller than the sum of its proper divisors (32768910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20201202 is a wasteful number, since it uses less digits than its factorization.
20201202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9463 (or 9460 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 20201202 is about 4494.5747296046. The cubic root of 20201202 is about 272.3489699799.
Adding to 20201202 its reverse (20210202), we get a palindrome (40411404).
The spelling of 20201202 in words is "twenty million, two hundred one thousand, two hundred two".
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