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2320200020 = 2254323311579
BaseRepresentation
bin1000101001001011…
…0111000101010100
312222200212101002002
42022102313011110
514222432400040
61022121534432
7111332242355
oct21222670524
95880771062
102320200020
11a90768686
12549044418
132ac8c8628
14180209d2c
15d8a61a15
hex8a4b7154

2320200020 has 48 divisors (see below), whose sum is σ = 5007562560. Its totient is φ = 902528256.

The previous prime is 2320200019. The next prime is 2320200037. The reversal of 2320200020 is 200020232.

It is a junction number, because it is equal to n+sod(n) for n = 2320199974 and 2320200010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194591 + ... + 206169.

It is an arithmetic number, because the mean of its divisors is an integer number (104324220).

Almost surely, 22320200020 is an apocalyptic number.

2320200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2320200020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2503781280).

2320200020 is an abundant number, since it is smaller than the sum of its proper divisors (2687362540).

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

2320200020 is a wasteful number, since it uses less digits than its factorization.

2320200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11864 (or 11862 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2320200020 is about 48168.4546150279. The cubic root of 2320200020 is about 1323.8592331548.

Adding to 2320200020 its reverse (200020232), we get a palindrome (2520220252).

The spelling of 2320200020 in words is "two billion, three hundred twenty million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 233 430 466 860 932 1165 2330 4660 10019 11579 20038 23158 40076 46316 50095 57895 100190 115790 200380 231580 497897 995794 1991588 2489485 2697907 4978970 5395814 9957940 10791628 13489535 26979070 53958140 116010001 232020002 464040004 580050005 1160100010 2320200020