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20213310108 = 22310959925799
BaseRepresentation
bin10010110100110011…
…101010001010011100
31221011200220112201010
4102310303222022130
5312344101410413
613141425215220
71313622205155
oct226463521234
957150815633
1020213310108
118632983072
123b01491510
131ba1942334
14d9a77092c
157d4853dc3
hex4b4cea29c

20213310108 has 48 divisors (see below), whose sum is σ = 47678400000. Its totient is φ = 6664552128.

The previous prime is 20213310101. The next prime is 20213310121. The reversal of 20213310108 is 80101331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213310101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770593 + ... + 796391.

It is an arithmetic number, because the mean of its divisors is an integer number (993300000).

Almost surely, 220213310108 is an apocalyptic number.

It is an amenable number.

20213310108 is an abundant number, since it is smaller than the sum of its proper divisors (27465089892).

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

20213310108 is a wasteful number, since it uses less digits than its factorization.

20213310108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26514 (or 26512 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 20213310108 in words is "twenty billion, two hundred thirteen million, three hundred ten thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 109 218 327 436 599 654 1198 1308 1797 2396 3594 7188 25799 51598 65291 77397 103196 130582 154794 195873 261164 309588 391746 783492 2812091 5624182 8436273 11248364 15453601 16872546 30907202 33745092 46360803 61814404 92721606 185443212 1684442509 3368885018 5053327527 6737770036 10106655054 20213310108