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20301244441 = 109647287867
BaseRepresentation
bin10010111010000011…
…000110100000011001
31221101211101001221021
4102322003012200121
5313034104310231
613154250042441
71316040505402
oct227203064031
957354331837
1020301244441
118678583475
123b26a19421
131bb6c1cc9a
14da83009a9
157dc423811
hex4ba0c6819

20301244441 has 8 divisors (see below), whose sum is σ = 20519231040. Its totient is φ = 20083835088.

The previous prime is 20301244429. The next prime is 20301244459. The reversal of 20301244441 is 14444210302.

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 20301244441 - 29 = 20301243929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301242441) 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, 73411 + ... + 214456.

It is an arithmetic number, because the mean of its divisors is an integer number (2564903880).

Almost surely, 220301244441 is an apocalyptic number.

It is an amenable number.

20301244441 is a deficient number, since it is larger than the sum of its proper divisors (217986599).

20301244441 is a wasteful number, since it uses less digits than its factorization.

20301244441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288623.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20301244441 its reverse (14444210302), we get a palindrome (34745454743).

The spelling of 20301244441 in words is "twenty billion, three hundred one million, two hundred forty-four thousand, four hundred forty-one".

Divisors: 1 109 647 70523 287867 31377503 186249949 20301244441