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20060488080 = 243359287263
BaseRepresentation
bin10010101011101100…
…101100000110010000
31220210001100101022000
4102223230230012100
5312040441104310
613114325514000
71310055222663
oct225354540620
956701311260
1020060488080
118564693676
123a7a272900
131b79095ab9
14d8434d6da
157c62184c0
hex4abb2c190

20060488080 has 80 divisors (see below), whose sum is σ = 69097244160. Its totient is φ = 5349462912.

The previous prime is 20060488069. The next prime is 20060488093. The reversal of 20060488080 is 8088406002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 4641472 + ... + 4645791.

It is an arithmetic number, because the mean of its divisors is an integer number (863715552).

Almost surely, 220060488080 is an apocalyptic number.

20060488080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20060488080 is an abundant number, since it is smaller than the sum of its proper divisors (49036756080).

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

20060488080 is a wasteful number, since it uses less digits than its factorization.

20060488080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9287285 (or 9287273 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 20060488080 in words is "twenty billion, sixty million, four hundred eighty-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 9287263 18574526 27861789 37149052 46436315 55723578 74298104 83585367 92872630 111447156 139308945 148596208 167170734 185745260 222894312 250756101 278617890 334341468 371490520 417926835 445788624 501512202 557235780 668682936 742981040 835853670 1003024404 1114471560 1253780505 1337365872 1671707340 2006048808 2228943120 2507561010 3343414680 4012097616 5015122020 6686829360 10030244040 20060488080