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200300211220 = 22519618641079
BaseRepresentation
bin1011101010001011010…
…0101010110000010100
3201011000021011222212111
42322202310222300110
511240203323224340
6232003332400404
720320424463244
oct2724264526024
9634007158774
10200300211220
1177a4627a34a
12329a0176104
1315b71592155
1499a1d0bb24
1553249c5aea
hex2ea2d2ac14

200300211220 has 48 divisors (see below), whose sum is σ = 450027446400. Its totient is φ = 74658913920.

The previous prime is 200300211211. The next prime is 200300211283. The reversal of 200300211220 is 22112003002.

It is a super-2 number, since 2×2003002112202 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200300211220.

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, 4297360 + ... + 4343719.

It is an arithmetic number, because the mean of its divisors is an integer number (9375571800).

Almost surely, 2200300211220 is an apocalyptic number.

200300211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200300211220 is an abundant number, since it is smaller than the sum of its proper divisors (249727235180).

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

200300211220 is a wasteful number, since it uses less digits than its factorization.

200300211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8641168 (or 8641166 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 200300211220 its reverse (22112003002), we get a palindrome (222412214222).

The spelling of 200300211220 in words is "two hundred billion, three hundred million, two hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 61 76 95 122 190 244 305 380 610 1159 1220 2318 4636 5795 11590 23180 8641079 17282158 34564316 43205395 86410790 164180501 172821580 328361002 527105819 656722004 820902505 1054211638 1641805010 2108423276 2635529095 3283610020 5271058190 10015010561 10542116380 20030021122 40060042244 50075052805 100150105610 200300211220