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20332004311 = 73278520607
BaseRepresentation
bin10010111011111000…
…011100001111010111
31221110222020211112201
4102323320130033113
5313114443114221
613201305225331
71316563120333
oct227370341727
957428224481
1020332004311
118693982853
123b35192247
131bc03ccaa8
14dac42a7c3
157dee9c891
hex4bbe1c3d7

20332004311 has 4 divisors (see below), whose sum is σ = 20610524992. Its totient is φ = 20053483632.

The previous prime is 20332004299. The next prime is 20332004321. The reversal of 20332004311 is 11340023302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11340023302 = 25670011651.

It is a cyclic number.

It is not a de Polignac number, because 20332004311 - 211 = 20332002263 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 (20332004321) 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, 139260231 + ... + 139260376.

It is an arithmetic number, because the mean of its divisors is an integer number (5152631248).

Almost surely, 220332004311 is an apocalyptic number.

20332004311 is a deficient number, since it is larger than the sum of its proper divisors (278520681).

20332004311 is an equidigital number, since it uses as much as digits as its factorization.

20332004311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278520680.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20332004311 its reverse (11340023302), we get a palindrome (31672027613).

The spelling of 20332004311 in words is "twenty billion, three hundred thirty-two million, four thousand, three hundred eleven".

Divisors: 1 73 278520607 20332004311