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20496559452096 = 26371353137161563
BaseRepresentation
bin1001010100100001110100…
…01001010010111111000000
32200120110012110200021110010
410222100322021102333000
510141303423204431341
6111331553414304520
74213553564514330
oct452207211227700
980513173607403
1020496559452096
1165925a6514a12
122370454358140
13b58a816ac940
1450c07855b0c0
15258268902716
hex12a43a252fc0

20496559452096 has 448 divisors, whose sum is σ = 68501357503488. Its totient is φ = 5264946266112.

The previous prime is 20496559452071. The next prime is 20496559452097. The reversal of 20496559452096 is 69025495569402.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20496559452097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 126783411 + ... + 126944973.

It is an arithmetic number, because the mean of its divisors is an integer number (152904815856).

Almost surely, 220496559452096 is an apocalyptic number.

20496559452096 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20496559452096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34250678751744).

20496559452096 is an abundant number, since it is smaller than the sum of its proper divisors (48004798051392).

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

20496559452096 is a wasteful number, since it uses less digits than its factorization.

20496559452096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161788 (or 161778 counting only the distinct ones).

The product of its (nonzero) digits is 209952000, while the sum is 66.

The spelling of 20496559452096 in words is "twenty trillion, four hundred ninety-six billion, five hundred fifty-nine million, four hundred fifty-two thousand, ninety-six".