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20620603014 = 23115937314197
BaseRepresentation
bin10011001101000101…
…010110111010000110
31222020002022011112120
4103031011112322012
5314212333244024
613250055030410
71326666143064
oct231505267206
958202264476
1020620603014
11882187a280
123bb596b406
131c3813825b
14dd88b3034
1580a4a8479
hex4cd156e86

20620603014 has 64 divisors (see below), whose sum is σ = 45878849280. Its totient is φ = 6125857920.

The previous prime is 20620603013. The next prime is 20620603037. The reversal of 20620603014 is 41030602602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20620603013) 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 31 ways as a sum of consecutive naturals, for example, 1445364 + ... + 1459560.

It is an arithmetic number, because the mean of its divisors is an integer number (716857020).

Almost surely, 220620603014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20620603014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22939424640).

20620603014 is an abundant number, since it is smaller than the sum of its proper divisors (25258246266).

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

20620603014 is a wasteful number, since it uses less digits than its factorization.

20620603014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14645.

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 20620603014 in words is "twenty billion, six hundred twenty million, six hundred three thousand, fourteen".

Divisors: 1 2 3 6 11 22 33 59 66 118 177 354 373 649 746 1119 1298 1947 2238 3894 4103 8206 12309 14197 22007 24618 28394 42591 44014 66021 85182 132042 156167 242077 312334 468501 484154 726231 837623 937002 1452462 1675246 2512869 5025738 5295481 9213853 10590962 15886443 18427706 27641559 31772886 55283118 58250291 116500582 174750873 312433379 349501746 624866758 937300137 1874600274 3436767169 6873534338 10310301507 20620603014