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11000220220 = 2251189561809
BaseRepresentation
bin10100011111010101…
…00000101000111100
31001101121212002022201
422033222200220330
5140012024021340
65015312521244
7536411220613
oct121752405074
931347762281
1011000220220
1147353792a0
12216bb50224
131063ca3962
14764d2a87a
15445ad479a
hex28faa0a3c

11000220220 has 48 divisors (see below), whose sum is σ = 25483701600. Its totient is φ = 3955128320.

The previous prime is 11000220199. The next prime is 11000220227. The reversal of 11000220220 is 2202200011.

It is a Harshad number since it is a multiple of its sum of digits (10).

11000220220 is a modest number, since divided by 220220 gives 11000 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 11000220197 and 11000220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000220227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261325 + ... + 300484.

It is an arithmetic number, because the mean of its divisors is an integer number (530910450).

Almost surely, 211000220220 is an apocalyptic number.

11000220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000220220 is an abundant number, since it is smaller than the sum of its proper divisors (14483481380).

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

11000220220 is a wasteful number, since it uses less digits than its factorization.

11000220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561918 (or 561916 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 11000220220 its reverse (2202200011), we get a palindrome (13202420231).

The spelling of 11000220220 in words is "eleven billion, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 89 110 178 220 356 445 890 979 1780 1958 3916 4895 9790 19580 561809 1123618 2247236 2809045 5618090 6179899 11236180 12359798 24719596 30899495 50001001 61798990 100002002 123597980 200004004 250005005 500010010 550011011 1000020020 1100022022 2200044044 2750055055 5500110110 11000220220