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20330133130 = 252033013313
BaseRepresentation
bin10010111011110001…
…010011011010001010
31221110211201202202201
4102323301103122022
5313114003230010
613201201150414
71316541165106
oct227361233212
957424652681
1020330133130
118692914a1a
123b3462b40a
131bbcbc6198
14dac0a0906
157dec2d23a
hex4bbc5368a

20330133130 has 8 divisors (see below), whose sum is σ = 36594239652. Its totient is φ = 8132053248.

The previous prime is 20330133121. The next prime is 20330133137. The reversal of 20330133130 is 3133103302.

It can be written as a sum of positive squares in 2 ways, for example, as 20328771241 + 1361889 = 142579^2 + 1167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20330133098 and 20330133107.

It is not an unprimeable number, because it can be changed into a prime (20330133137) 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, 1016506647 + ... + 1016506666.

Almost surely, 220330133130 is an apocalyptic number.

20330133130 is a deficient number, since it is larger than the sum of its proper divisors (16264106522).

20330133130 is a wasteful number, since it uses less digits than its factorization.

20330133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033013320.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 20330133130 its reverse (3133103302), we get a palindrome (23463236432).

The spelling of 20330133130 in words is "twenty billion, three hundred thirty million, one hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 2033013313 4066026626 10165066565 20330133130