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20202320311 = 1710259115837
BaseRepresentation
bin10010110100001001…
…101111000110110111
31221010221020012112121
4102310021233012313
5312333243222221
613140353500411
71313426614015
oct226411570667
957127205477
1020202320311
118627757298
123ab9871707
131b9c5950b4
14d9910d8b5
157d38d2a41
hex4b426f1b7

20202320311 has 8 divisors (see below), whose sum is σ = 21392961840. Its totient is φ = 19011931008.

The previous prime is 20202320297. The next prime is 20202320321. The reversal of 20202320311 is 11302320202.

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 20202320311 - 211 = 20202318263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202320321) 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 7 ways as a sum of consecutive naturals, for example, 116485 + ... + 232321.

It is an arithmetic number, because the mean of its divisors is an integer number (2674120230).

Almost surely, 220202320311 is an apocalyptic number.

20202320311 is a deficient number, since it is larger than the sum of its proper divisors (1190641529).

20202320311 is a wasteful number, since it uses less digits than its factorization.

20202320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126113.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20202320311 its reverse (11302320202), we get a palindrome (31504640513).

The spelling of 20202320311 in words is "twenty billion, two hundred two million, three hundred twenty thousand, three hundred eleven".

Divisors: 1 17 10259 115837 174403 1969229 1188371783 20202320311