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20620282684 = 22194127124419
BaseRepresentation
bin10011001101000100…
…001000101100111100
31222020001200220010111
4103031010020230330
5314212243021214
613250044115404
71326663340141
oct231504105474
958201626114
1020620282684
118821680641
123bb5835b64
131c38055501
14dd882c3c8
1580a4435c4
hex4cd108b3c

20620282684 has 48 divisors (see below), whose sum is σ = 39056371200. Its totient is φ = 9493718400.

The previous prime is 20620282673. The next prime is 20620282717. The reversal of 20620282684 is 48628202602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832227 + ... + 856645.

It is an arithmetic number, because the mean of its divisors is an integer number (813674400).

Almost surely, 220620282684 is an apocalyptic number.

It is an amenable number.

20620282684 is a deficient number, since it is larger than the sum of its proper divisors (18436088516).

20620282684 is a wasteful number, since it uses less digits than its factorization.

20620282684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24754 (or 24752 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 20620282684 in words is "twenty billion, six hundred twenty million, two hundred eighty-two thousand, six hundred eighty-four".

Divisors: 1 2 4 19 38 41 76 82 164 271 542 779 1084 1558 3116 5149 10298 11111 20596 22222 24419 44444 48838 97676 211109 422218 463961 844436 927922 1001179 1855844 2002358 4004716 6617549 13235098 19022401 26470196 38044802 76089604 125733431 251466862 271319509 502933724 542639018 1085278036 5155070671 10310141342 20620282684