| Base | Representation |
|---|---|
| bin | 11000000101001… |
| … | …01011011111100 |
| 3 | 112002002212200210 |
| 4 | 30002211123330 |
| 5 | 403203113340 |
| 6 | 32013352420 |
| 7 | 5002002405 |
| oct | 1402453374 |
| 9 | 462085623 |
| 10 | 202004220 |
| 11 | a4031840 |
| 12 | 57798710 |
| 13 | 32b09632 |
| 14 | 1cb849ac |
| 15 | 12b03180 |
| hex | c0a56fc |
202004220 has 96 divisors (see below), whose sum is σ = 619347456. Its totient is φ = 48787200.
The previous prime is 202004177. The next prime is 202004221. The reversal of 202004220 is 22400202.
It is a happy number.
202004220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 202004196 and 202004205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202004221) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277497 + ... + 278223.
It is an arithmetic number, because the mean of its divisors is an integer number (6451536).
Almost surely, 2202004220 is an apocalyptic number.
202004220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 202004220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309673728).
202004220 is an abundant number, since it is smaller than the sum of its proper divisors (417343236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202004220 is a wasteful number, since it uses less digits than its factorization.
202004220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1171 (or 1169 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 12.
The square root of 202004220 is about 14212.8188618585. The cubic root of 202004220 is about 586.7505167398.
Adding to 202004220 its reverse (22400202), we get a palindrome (224404422).
The spelling of 202004220 in words is "two hundred two million, four thousand, two hundred twenty".
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