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20302002133 = 76599114831
BaseRepresentation
bin10010111010000101…
…111111011111010101
31221101212210120021221
4102322011333133111
5313034303032013
613154314210341
71316050112410
oct227205773725
957355716257
1020302002133
118678a50766
123b271239b1
131bb7126b1a
14da845ab77
157dc52308d
hex4ba17f7d5

20302002133 has 16 divisors (see below), whose sum is σ = 23267819520. Its totient is φ = 17352644400.

The previous prime is 20302002121. The next prime is 20302002137. The reversal of 20302002133 is 33120020302.

It is not a de Polignac number, because 20302002133 - 25 = 20302002101 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 (20302002137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4200028 + ... + 4204858.

It is an arithmetic number, because the mean of its divisors is an integer number (1454238720).

Almost surely, 220302002133 is an apocalyptic number.

It is an amenable number.

20302002133 is a deficient number, since it is larger than the sum of its proper divisors (2965817387).

20302002133 is an equidigital number, since it uses as much as digits as its factorization.

20302002133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20302002133 its reverse (33120020302), we get a palindrome (53422022435).

The spelling of 20302002133 in words is "twenty billion, three hundred two million, two thousand, one hundred thirty-three".

Divisors: 1 7 659 911 4613 4831 6377 33817 600349 3183629 4202443 4401041 22285403 30807287 2900286019 20302002133