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20632207342 = 210316103671
BaseRepresentation
bin10011001101110001…
…100111111111101110
31222020220010201200111
4103031301213333232
5314223321113332
613251151450234
71330166603665
oct231561477756
958226121614
1020632207342
11882838582a
123bb982697a
131c3a66c116
14dda253ddc
1580b4eb947
hex4cdc67fee

20632207342 has 4 divisors (see below), whose sum is σ = 30948311016. Its totient is φ = 10316103670.

The previous prime is 20632207333. The next prime is 20632207367. The reversal of 20632207342 is 24370223602.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5158051834 + ... + 5158051837.

It is an arithmetic number, because the mean of its divisors is an integer number (7737077754).

Almost surely, 220632207342 is an apocalyptic number.

20632207342 is a deficient number, since it is larger than the sum of its proper divisors (10316103674).

20632207342 is a wasteful number, since it uses less digits than its factorization.

20632207342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316103673.

The product of its (nonzero) digits is 24192, while the sum is 31.

The spelling of 20632207342 in words is "twenty billion, six hundred thirty-two million, two hundred seven thousand, three hundred forty-two".

Divisors: 1 2 10316103671 20632207342