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20396822469541 = 78887327875749
BaseRepresentation
bin1001010001101000000010…
…10110111001101110100101
32200012220202121221121022021
410220310001112321232211
510133140143023011131
6111214100524503141
74203423163245460
oct450640126715645
980186677847267
1020396822469541
1165542755a3801
12235505a6aaab1
13b4c54851ca2b
145072d64042d7
1525587c81de11
hex128d015b9ba5

20396822469541 has 8 divisors (see below), whose sum is σ = 23313277328000. Its totient is φ = 17481023380368.

The previous prime is 20396822469533. The next prime is 20396822469631. The reversal of 20396822469541 is 14596422869302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20396822469541 - 23 = 20396822469533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20396822469541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20396822469521) 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, 163875666 + ... + 164000083.

It is an arithmetic number, because the mean of its divisors is an integer number (2914159666000).

Almost surely, 220396822469541 is an apocalyptic number.

It is an amenable number.

20396822469541 is a deficient number, since it is larger than the sum of its proper divisors (2916454858459).

20396822469541 is an equidigital number, since it uses as much as digits as its factorization.

20396822469541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327884643.

The product of its (nonzero) digits is 44789760, while the sum is 61.

The spelling of 20396822469541 in words is "twenty trillion, three hundred ninety-six billion, eight hundred twenty-two million, four hundred sixty-nine thousand, five hundred forty-one".

Divisors: 1 7 8887 62209 327875749 2295130243 2913831781363 20396822469541