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20065020383 = 43466628381
BaseRepresentation
bin10010101011111101…
…111110100111011111
31220210100212122110002
4102223331332213133
5312043121123013
613115011004515
71310141600462
oct225375764737
956710778402
1020065020383
1185671a9881
123a7b89973b
131b79cc1a35
14d84bad2d9
157c6811358
hex4abf7e9df

20065020383 has 4 divisors (see below), whose sum is σ = 20531648808. Its totient is φ = 19598391960.

The previous prime is 20065020377. The next prime is 20065020467. The reversal of 20065020383 is 38302056002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20065020383 - 28 = 20065020127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20065020343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233314148 + ... + 233314233.

It is an arithmetic number, because the mean of its divisors is an integer number (5132912202).

Almost surely, 220065020383 is an apocalyptic number.

20065020383 is a deficient number, since it is larger than the sum of its proper divisors (466628425).

20065020383 is an equidigital number, since it uses as much as digits as its factorization.

20065020383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466628424.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 20065020383 its reverse (38302056002), we get a palindrome (58367076385).

The spelling of 20065020383 in words is "twenty billion, sixty-five million, twenty thousand, three hundred eighty-three".

Divisors: 1 43 466628381 20065020383