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20043003020 = 22561125913049
BaseRepresentation
bin10010101010101001…
…111111010010001100
31220201211110001022012
4102222221333102030
5312022002044040
613112503040352
71306453500065
oct225251772214
956654401265
1020043003020
118555830907
123a744400b8
131b75583301
14d81cbb56c
157c4912865
hex4aaa7f48c

20043003020 has 48 divisors (see below), whose sum is σ = 42817572000. Its totient is φ = 7878904320.

The previous prime is 20043002989. The next prime is 20043003037. The reversal of 20043003020 is 2030034002.

It is a junction number, because it is equal to n+sod(n) for n = 20043002986 and 20043003004.

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, 1529456 + ... + 1542504.

It is an arithmetic number, because the mean of its divisors is an integer number (892032750).

Almost surely, 220043003020 is an apocalyptic number.

20043003020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20043003020 is an abundant number, since it is smaller than the sum of its proper divisors (22774568980).

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

20043003020 is a wasteful number, since it uses less digits than its factorization.

20043003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14378 (or 14376 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 20043003020 its reverse (2030034002), we get a palindrome (22073037022).

The spelling of 20043003020 in words is "twenty billion, forty-three million, three thousand, twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 1259 2518 5036 6295 12590 13049 25180 26098 52196 65245 76799 130490 153598 260980 307196 383995 767990 795989 1535980 1591978 3183956 3979945 7959890 15919780 16428691 32857382 65714764 82143455 164286910 328573820 1002150151 2004300302 4008600604 5010750755 10021501510 20043003020