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20560488450788 = 221113294130798473
BaseRepresentation
bin1001010110011000111001…
…00111000100101011100100
32200210120012210100220011102
410223030130213010223210
510143330340020411123
6111421205154455232
74221306033161606
oct453143447045344
980716183326142
1020560488450788
1166077217a0930
122380915b94518
13b61acc12c010
145111c0b61176
15259c5b053028
hex12b31c9c4ae4

20560488450788 has 192 divisors, whose sum is σ = 44941768945920. Its totient is φ = 8099597721600.

The previous prime is 20560488450781. The next prime is 20560488450791. The reversal of 20560488450788 is 88705488406502.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20560488450781) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 208743920 + ... + 208842392.

It is an arithmetic number, because the mean of its divisors is an integer number (234071713260).

Almost surely, 220560488450788 is an apocalyptic number.

It is an amenable number.

20560488450788 is an abundant number, since it is smaller than the sum of its proper divisors (24381280495132).

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

20560488450788 is a wasteful number, since it uses less digits than its factorization.

20560488450788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98878 (or 98876 counting only the distinct ones).

The product of its (nonzero) digits is 137625600, while the sum is 65.

The spelling of 20560488450788 in words is "twenty trillion, five hundred sixty billion, four hundred eighty-eight million, four hundred fifty thousand, seven hundred eighty-eight".