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20610603340 = 2252959602297
BaseRepresentation
bin10011001100011111…
…001101100101001100
31222012101111010120021
4103030133031211030
5314202303301330
613245100431524
71326515144365
oct231437154514
958171433507
1020610603340
11881716a388
123bb25485a4
131c360468a2
14dd742cb6c
1580968067a
hex4cc7cd94c

20610603340 has 48 divisors (see below), whose sum is σ = 45533728800. Its totient is φ = 7825029632.

The previous prime is 20610603337. The next prime is 20610603341. The reversal of 20610603340 is 4330601602.

It is not an unprimeable number, because it can be changed into a prime (20610603341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266929 + ... + 335368.

It is an arithmetic number, because the mean of its divisors is an integer number (948619350).

Almost surely, 220610603340 is an apocalyptic number.

20610603340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20610603340 is an abundant number, since it is smaller than the sum of its proper divisors (24923125460).

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

20610603340 is a wasteful number, since it uses less digits than its factorization.

20610603340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602394 (or 602392 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 20610603340 in words is "twenty billion, six hundred ten million, six hundred three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 29 58 59 116 118 145 236 290 295 580 590 1180 1711 3422 6844 8555 17110 34220 602297 1204594 2409188 3011485 6022970 12045940 17466613 34933226 35535523 69866452 71071046 87333065 142142092 174666130 177677615 349332260 355355230 710710460 1030530167 2061060334 4122120668 5152650835 10305301670 20610603340