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200200220 = 225117911519
BaseRepresentation
bin10111110111011…
…01000000011100
3111221201020001222
423323231000130
5402222401340
631510552512
74650450053
oct1373550034
9457636058
10200200220
11a300a430
1257068738
133262748c
141c83539a
15128988b5
hexbeed01c

200200220 has 48 divisors (see below), whose sum is σ = 464486400. Its totient is φ = 71872320.

The previous prime is 200200219. The next prime is 200200241. The reversal of 200200220 is 22002002.

It is a junction number, because it is equal to n+sod(n) for n = 200200198 and 200200207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11621 + ... + 23139.

It is an arithmetic number, because the mean of its divisors is an integer number (9676800).

Almost surely, 2200200220 is an apocalyptic number.

200200220 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 200200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232243200).

200200220 is an abundant number, since it is smaller than the sum of its proper divisors (264286180).

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

200200220 is a wasteful number, since it uses less digits than its factorization.

200200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11618 (or 11616 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 200200220 is about 14149.2126989455. The cubic root of 200200220 is about 584.9986315014.

Adding to 200200220 its reverse (22002002), we get a palindrome (222202222).

The spelling of 200200220 in words is "two hundred million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 79 110 158 220 316 395 790 869 1580 1738 3476 4345 8690 11519 17380 23038 46076 57595 115190 126709 230380 253418 506836 633545 910001 1267090 1820002 2534180 3640004 4550005 9100010 10010011 18200020 20020022 40040044 50050055 100100110 200200220