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20422303311 = 319805344491
BaseRepresentation
bin10011000001010000…
…111001111001001111
31221201021011111111010
4103001100321321033
5313311102201221
613214252500303
71322040466614
oct230120717117
957637144433
1020422303311
11872a948823
123b5b47a693
131c06027b57
14dba41450b
157e7d87c76
hex4c1439e4f

20422303311 has 16 divisors (see below), whose sum is σ = 28667085440. Its totient is φ = 12896405280.

The previous prime is 20422303309. The next prime is 20422303331. The reversal of 20422303311 is 11330322402.

It is not a de Polignac number, because 20422303311 - 21 = 20422303309 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 (20422303331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436776 + ... + 481266.

It is an arithmetic number, because the mean of its divisors is an integer number (1791692840).

Almost surely, 220422303311 is an apocalyptic number.

20422303311 is a deficient number, since it is larger than the sum of its proper divisors (8244782129).

20422303311 is a wasteful number, since it uses less digits than its factorization.

20422303311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52566.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20422303311 its reverse (11330322402), we get a palindrome (31752625713).

The spelling of 20422303311 in words is "twenty billion, four hundred twenty-two million, three hundred three thousand, three hundred eleven".

Divisors: 1 3 19 57 8053 24159 44491 133473 153007 459021 845329 2535987 358286023 1074858069 6807434437 20422303311