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20355343341 = 3139163299471
BaseRepresentation
bin10010111101010001…
…011110001111101101
31221112121011120200020
4102331101132033231
5313141431441331
613203501352353
71320265364214
oct227521361755
957477146606
1020355343341
1186a6073803
123b40b686b9
131bc51b1c78
14db158407b
157e205cc96
hex4bd45e3ed

20355343341 has 16 divisors (see below), whose sum is σ = 27503508480. Its totient is φ = 13389902640.

The previous prime is 20355343319. The next prime is 20355343369. The reversal of 20355343341 is 14334355302.

It is not a de Polignac number, because 20355343341 - 26 = 20355343277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20355343391) 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, 81765 + ... + 217706.

It is an arithmetic number, because the mean of its divisors is an integer number (1718969280).

Almost surely, 220355343341 is an apocalyptic number.

It is an amenable number.

20355343341 is a deficient number, since it is larger than the sum of its proper divisors (7148165139).

20355343341 is a wasteful number, since it uses less digits than its factorization.

20355343341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299776.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 20355343341 its reverse (14334355302), we get a palindrome (34689698643).

The spelling of 20355343341 in words is "twenty billion, three hundred fifty-five million, three hundred forty-three thousand, three hundred forty-one".

Divisors: 1 3 139 163 417 489 22657 67971 299471 898413 41626469 48813773 124879407 146441319 6785114447 20355343341