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2000220210 = 233534921227
BaseRepresentation
bin111011100111000…
…1111000000110010
312011101202201022000
41313032033000302
513044024021320
6530251354430
7100365406542
oct16716170062
95141681260
102000220210
1193708805a
12479a52a16
1325b523671
1414d915322
15ba907c90
hex7738f032

2000220210 has 64 divisors (see below), whose sum is σ = 5349456000. Its totient is φ = 531838656.

The previous prime is 2000220149. The next prime is 2000220281. The reversal of 2000220210 is 120220002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2000220192 and 2000220201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83617 + ... + 104843.

It is an arithmetic number, because the mean of its divisors is an integer number (83585250).

Almost surely, 22000220210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000220210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2674728000).

2000220210 is an abundant number, since it is smaller than the sum of its proper divisors (3349235790).

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

2000220210 is a wasteful number, since it uses less digits than its factorization.

2000220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21592 (or 21586 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2000220210 is about 44723.8215048759. The cubic root of 2000220210 is about 1259.9672894002.

Adding to 2000220210 its reverse (120220002), we get a palindrome (2120440212).

The spelling of 2000220210 in words is "two billion, two hundred twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 349 698 1047 1745 2094 3141 3490 5235 6282 9423 10470 15705 18846 21227 31410 42454 47115 63681 94230 106135 127362 191043 212270 318405 382086 573129 636810 955215 1146258 1910430 2865645 5731290 7408223 14816446 22224669 37041115 44449338 66674007 74082230 111123345 133348014 200022021 222246690 333370035 400044042 666740070 1000110105 2000220210