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220120200220 = 225311492382769
BaseRepresentation
bin1100110100000000101…
…1111011010000011100
3210001011112222202110011
43031000023323100130
512101301232401340
6245042151453004
721621532554604
oct3150013732034
9701145882404
10220120200220
1185397129448
12367b1987164
13179ac890bab
14a922335c04
155ad4a350ea
hex33402fb41c

220120200220 has 48 divisors (see below), whose sum is σ = 480366432000. Its totient is φ = 84635919360.

The previous prime is 220120200191. The next prime is 220120200233. The reversal of 220120200220 is 22002021022.

It is a self number, because there is not a number n which added to its sum of digits gives 220120200220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099005 + ... + 1283764.

It is an arithmetic number, because the mean of its divisors is an integer number (10007634000).

Almost surely, 2220120200220 is an apocalyptic number.

220120200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220120200220 is an abundant number, since it is smaller than the sum of its proper divisors (260246231780).

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

220120200220 is a wasteful number, since it uses less digits than its factorization.

220120200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382958 (or 2382956 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220120200220 its reverse (22002021022), we get a palindrome (242122221242).

The spelling of 220120200220 in words is "two hundred twenty billion, one hundred twenty million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 149 155 298 310 596 620 745 1490 2980 4619 9238 18476 23095 46190 92380 2382769 4765538 9531076 11913845 23827690 47655380 73865839 147731678 295463356 355032581 369329195 710065162 738658390 1420130324 1477316780 1775162905 3550325810 7100651620 11006010011 22012020022 44024040044 55030050055 110060100110 220120200220