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20213110330 = 2571750333769
BaseRepresentation
bin10010110100110010…
…111001011000111010
31221011200112101122221
4102310302321120322
5312344024012310
613141421034254
71313620413550
oct226462713072
957150471587
1020213110330
118632856a66
123b013b598a
131ba18a241a
14d9a71bbd0
157d4814ada
hex4b4cb963a

20213110330 has 64 divisors (see below), whose sum is σ = 44116047360. Its totient is φ = 6509389824.

The previous prime is 20213110289. The next prime is 20213110339. The reversal of 20213110330 is 3301131202.

20213110330 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20213110339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 581686 + ... + 615454.

It is an arithmetic number, because the mean of its divisors is an integer number (689313240).

Almost surely, 220213110330 is an apocalyptic number.

20213110330 is an abundant number, since it is smaller than the sum of its proper divisors (23902937030).

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

20213110330 is a wasteful number, since it uses less digits than its factorization.

20213110330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34303.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20213110330 its reverse (3301131202), we get a palindrome (23514241532).

The spelling of 20213110330 in words is "twenty billion, two hundred thirteen million, one hundred ten thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 503 595 1006 1190 2515 3521 5030 7042 8551 17102 17605 33769 35210 42755 59857 67538 85510 119714 168845 236383 299285 337690 472766 574073 598570 1148146 1181915 2363830 2870365 4018511 5740730 8037022 16985807 20092555 33971614 40185110 84929035 118900649 169858070 237801298 288758719 577517438 594503245 1189006490 1443793595 2021311033 2887587190 4042622066 10106555165 20213110330