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20605733060 = 22511113828871
BaseRepresentation
bin10011001100001100…
…101000100011000100
31222012001022200210112
4103030030220203010
5314200031424220
613244404212152
71326425561333
oct231414504304
958161280715
1020605733060
118814443260
123bb099a058
131c3502cb73
14dd6921d1a
1580901c5c5
hex4cc3288c4

20605733060 has 48 divisors (see below), whose sum is σ = 47623669632. Its totient is φ = 7426675200.

The previous prime is 20605733053. The next prime is 20605733081. The reversal of 20605733060 is 6033750602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389576 + ... + 439295.

It is an arithmetic number, because the mean of its divisors is an integer number (992159784).

Almost surely, 220605733060 is an apocalyptic number.

20605733060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20605733060 is an abundant number, since it is smaller than the sum of its proper divisors (27017936572).

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

20605733060 is a wasteful number, since it uses less digits than its factorization.

20605733060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829004 (or 829002 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The spelling of 20605733060 in words is "twenty billion, six hundred five million, seven hundred thirty-three thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 113 220 226 452 565 1130 1243 2260 2486 4972 6215 12430 24860 828871 1657742 3315484 4144355 8288710 9117581 16577420 18235162 36470324 45587905 91175810 93662423 182351620 187324846 374649692 468312115 936624230 1030286653 1873248460 2060573306 4121146612 5151433265 10302866530 20605733060