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20301244443 = 323172764317
BaseRepresentation
bin10010111010000011…
…000110100000011011
31221101211101001221100
4102322003012200123
5313034104310233
613154250042443
71316040505404
oct227203064033
957354331840
1020301244443
118678583477
123b26a19423
131bb6c1cc9c
14da83009ab
157dc423813
hex4ba0c681b

20301244443 has 12 divisors (see below), whose sum is σ = 30269956288. Its totient is φ = 13097576880.

The previous prime is 20301244429. The next prime is 20301244459. The reversal of 20301244443 is 34444210302.

It is a happy number.

20301244443 is a `hidden beast` number, since 203 + 0 + 12 + 4 + 4 + 443 = 666.

It is not a de Polignac number, because 20301244443 - 212 = 20301240347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301244463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36381880 + ... + 36382437.

Almost surely, 220301244443 is an apocalyptic number.

20301244443 is a deficient number, since it is larger than the sum of its proper divisors (9968711845).

20301244443 is a wasteful number, since it uses less digits than its factorization.

20301244443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72764354 (or 72764351 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20301244443 its reverse (34444210302), we get a palindrome (54745454745).

The spelling of 20301244443 in words is "twenty billion, three hundred one million, two hundred forty-four thousand, four hundred forty-three".

Divisors: 1 3 9 31 93 279 72764317 218292951 654878853 2255693827 6767081481 20301244443