Search a number
-
+
20260330560 = 263257034837
BaseRepresentation
bin10010110111100111…
…000001110001000000
31221021222101102122100
4102313213001301000
5312443121034220
613150225110400
71315032653061
oct226747016100
957258342570
1020260330560
118657479248
123b15188400
131bab5c64a2
14da2ad0568
157d8a40d90
hex4b79c1c40

20260330560 has 84 divisors (see below), whose sum is σ = 69687105228. Its totient is φ = 5402754048.

The previous prime is 20260330549. The next prime is 20260330579. The reversal of 20260330560 is 6503306202.

20260330560 is a `hidden beast` number, since 2 + 0 + 2 + 603 + 3 + 0 + 56 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5506827264 + 14753503296 = 74208^2 + 121464^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3514539 + ... + 3520298.

Almost surely, 220260330560 is an apocalyptic number.

20260330560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20260330560 is an abundant number, since it is smaller than the sum of its proper divisors (49426774668).

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

20260330560 is a wasteful number, since it uses less digits than its factorization.

20260330560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034860 (or 7034847 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 20260330560 its reverse (6503306202), we get a palindrome (26763636762).

The spelling of 20260330560 in words is "twenty billion, two hundred sixty million, three hundred thirty thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 7034837 14069674 21104511 28139348 35174185 42209022 56278696 63313533 70348370 84418044 105522555 112557392 126627066 140696740 168836088 211045110 225114784 253254132 281393480 316567665 337672176 422090220 450229568 506508264 562786960 633135330 675344352 844180440 1013016528 1125573920 1266270660 1350688704 1688360880 2026033056 2251147840 2532541320 3376721760 4052066112 5065082640 6753443520 10130165280 20260330560