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2206680020 = 225432565907
BaseRepresentation
bin1000001110000111…
…0100001111010100
312200210020221220122
42003201310033110
514004402230040
61002544451112
7105453320306
oct20341641724
95623227818
102206680020
11a326823a6
12517019a98
1329223002c
1416d0d9976
15cdadb1b5
hex838743d4

2206680020 has 24 divisors (see below), whose sum is σ = 4741797984. Its totient is φ = 862144416.

The previous prime is 2206680013. The next prime is 2206680023. The reversal of 2206680020 is 200866022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206680023) 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, 1282094 + ... + 1283813.

It is an arithmetic number, because the mean of its divisors is an integer number (197574916).

Almost surely, 22206680020 is an apocalyptic number.

2206680020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206680020 is an abundant number, since it is smaller than the sum of its proper divisors (2535117964).

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

2206680020 is a wasteful number, since it uses less digits than its factorization.

2206680020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565959 (or 2565957 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2206680020 is about 46975.3128781491. The cubic root of 2206680020 is about 1301.9064769071.

The spelling of 2206680020 in words is "two billion, two hundred six million, six hundred eighty thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 2565907 5131814 10263628 12829535 25659070 51318140 110334001 220668002 441336004 551670005 1103340010 2206680020