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22013002220 = 22511100059101
BaseRepresentation
bin10100100000000100…
…111100000111101100
32002211010100101011112
4110200010330013230
5330040312032340
614040155011152
71406334301016
oct244004740754
962733311145
1022013002220
119376847420
124324139ab8
1320ca755201
1410cb7a71b6
1588c84b065
hex52013c1ec

22013002220 has 24 divisors (see below), whose sum is σ = 50429787408. Its totient is φ = 8004728000.

The previous prime is 22013002171. The next prime is 22013002223. The reversal of 22013002220 is 2220031022.

It is a junction number, because it is equal to n+sod(n) for n = 22013002195 and 22013002204.

It is not an unprimeable number, because it can be changed into a prime (22013002223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50029331 + ... + 50029770.

It is an arithmetic number, because the mean of its divisors is an integer number (2101241142).

Almost surely, 222013002220 is an apocalyptic number.

22013002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22013002220 is an abundant number, since it is smaller than the sum of its proper divisors (28416785188).

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

22013002220 is a wasteful number, since it uses less digits than its factorization.

22013002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100059121 (or 100059119 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22013002220 its reverse (2220031022), we get a palindrome (24233033242).

The spelling of 22013002220 in words is "twenty-two billion, thirteen million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 100059101 200118202 400236404 500295505 1000591010 1100650111 2001182020 2201300222 4402600444 5503250555 11006501110 22013002220