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2020100200 = 235210100501
BaseRepresentation
bin111100001101000…
…0100100001101000
312012210011201111221
41320122010201220
513114121201300
6532241431424
7101026365646
oct17032044150
95183151457
102020100200
119473261a8
1248463b574
13262694281
1415240c196
15bc53331a
hex78684868

2020100200 has 24 divisors (see below), whose sum is σ = 4696733430. Its totient is φ = 808040000.

The previous prime is 2020100177. The next prime is 2020100207. The reversal of 2020100200 is 20010202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1824827524 + 195272676 = 42718^2 + 13974^2 .

It is not an unprimeable number, because it can be changed into a prime (2020100207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5050051 + ... + 5050450.

Almost surely, 22020100200 is an apocalyptic number.

2020100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020100200 is an abundant number, since it is smaller than the sum of its proper divisors (2676633230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020100200 is a wasteful number, since it uses less digits than its factorization.

2020100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100517 (or 10100508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2020100200 is about 44945.5248050348. The cubic root of 2020100200 is about 1264.1277660866.

Adding to 2020100200 its reverse (20010202), we get a palindrome (2040110402).

The spelling of 2020100200 in words is "two billion, twenty million, one hundred thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 10100501 20201002 40402004 50502505 80804008 101005010 202010020 252512525 404020040 505025050 1010050100 2020100200