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20302200311 = 22391041257
BaseRepresentation
bin10010111010000110…
…101111110111110111
31221101220011122010212
4102322012233313313
5313034330402221
613154322340035
71316051566241
oct227206576767
957356148125
1020302200311
118679076648
123b271ba61b
131bb71960a3
14da84ad091
157dc561b5b
hex4ba1afdf7

20302200311 has 4 divisors (see below), whose sum is σ = 20393241792. Its totient is φ = 20211158832.

The previous prime is 20302200221. The next prime is 20302200313. The reversal of 20302200311 is 11300220302.

It is a happy number.

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 20302200311 - 222 = 20298006007 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 (20302200313) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 45520406 + ... + 45520851.

It is an arithmetic number, because the mean of its divisors is an integer number (5098310448).

Almost surely, 220302200311 is an apocalyptic number.

20302200311 is a deficient number, since it is larger than the sum of its proper divisors (91041481).

20302200311 is an equidigital number, since it uses as much as digits as its factorization.

20302200311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91041480.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20302200311 its reverse (11300220302), we get a palindrome (31602420613).

The spelling of 20302200311 in words is "twenty billion, three hundred two million, two hundred thousand, three hundred eleven".

Divisors: 1 223 91041257 20302200311