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220013112230020 = 22525838942574009
BaseRepresentation
bin110010000001100111001011…
…011001101000000010000100
31001212000001022002001212100001
4302001213023121220002010
5212314143323212330040
62055532343424131044
764225265010424324
oct6201471331500204
91055001262055301
10220013112230020
116411504513a91a
1220814022166a84
13959c1bbc7a9b5
143c489974a3284
151a680a514559a
hexc819cb668084

220013112230020 has 24 divisors (see below), whose sum is σ = 462029334643800. Its totient is φ = 88004902232832.

The previous prime is 220013112229997. The next prime is 220013112230033. The reversal of 220013112230020 is 20032211310022.

It can be written as a sum of positive squares in 4 ways, for example, as 30977506273536 + 189035605956484 = 5565744^2 + 13749022^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220013112230020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16119225 + ... + 26454784.

It is an arithmetic number, because the mean of its divisors is an integer number (19251222276825).

Almost surely, 2220013112230020 is an apocalyptic number.

220013112230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220013112230020 is an abundant number, since it is smaller than the sum of its proper divisors (242016222413780).

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

220013112230020 is a wasteful number, since it uses less digits than its factorization.

220013112230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42832407 (or 42832405 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220013112230020 its reverse (20032211310022), we get a palindrome (240045323540042).

The spelling of 220013112230020 in words is "two hundred twenty trillion, thirteen billion, one hundred twelve million, two hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 258389 516778 1033556 1291945 2583890 5167780 42574009 85148018 170296036 212870045 425740090 851480180 11000655611501 22001311223002 44002622446004 55003278057505 110006556115010 220013112230020