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20620516524 = 22316931014989
BaseRepresentation
bin10011001101000101…
…000001110010101100
31222020002010202220020
4103031011001302230
5314212323012044
613250053122140
71326665332656
oct231505016254
958202122806
1020620516524
1188218202a3
123bb5929350
131c38107a8a
14dd888d6d6
1580a48ca19
hex4cd141cac

20620516524 has 24 divisors (see below), whose sum is σ = 48143005680. Its totient is φ = 6869438784.

The previous prime is 20620516489. The next prime is 20620516541. The reversal of 20620516524 is 42561502602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487179 + ... + 527810.

It is an arithmetic number, because the mean of its divisors is an integer number (2005958570).

Almost surely, 220620516524 is an apocalyptic number.

It is an amenable number.

20620516524 is an abundant number, since it is smaller than the sum of its proper divisors (27522489156).

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

20620516524 is a wasteful number, since it uses less digits than its factorization.

20620516524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016689 (or 1016687 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 20620516524 in words is "twenty billion, six hundred twenty million, five hundred sixteen thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 1693 3386 5079 6772 10158 20316 1014989 2029978 3044967 4059956 6089934 12179868 1718376377 3436752754 5155129131 6873505508 10310258262 20620516524