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20321011012296 = 2331944563620641
BaseRepresentation
bin1001001111011010110101…
…01001001001001011001000
32122221200002012022112210110
410213231122221021023020
510130414412304343141
6111115202114114320
74165100411426001
oct447553251111310
978850065275713
1020321011012296
116525101a48905
12234242157b9a0
13b453560b19a7
14503783a5c1a8
152538e1e19e16
hex127b5aa492c8

20321011012296 has 32 divisors (see below), whose sum is σ = 53476344770400. Its totient is φ = 6417161372160.

The previous prime is 20321011012279. The next prime is 20321011012297. The reversal of 20321011012296 is 69221011012302.

It is not an unprimeable number, because it can be changed into a prime (20321011012297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22281809865 + ... + 22281810776.

It is an arithmetic number, because the mean of its divisors is an integer number (1671135774075).

Almost surely, 220321011012296 is an apocalyptic number.

It is an amenable number.

20321011012296 is an abundant number, since it is smaller than the sum of its proper divisors (33155333758104).

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

20321011012296 is a wasteful number, since it uses less digits than its factorization.

20321011012296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44563620669 (or 44563620665 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

Adding to 20321011012296 its reverse (69221011012302), we get a palindrome (89542022024598).

The spelling of 20321011012296 in words is "twenty trillion, three hundred twenty-one billion, eleven million, twelve thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 44563620641 89127241282 133690861923 178254482564 267381723846 356508965128 534763447692 846708792179 1069526895384 1693417584358 2540126376537 3386835168716 5080252753074 6773670337432 10160505506148 20321011012296