Search a number
-
+
20620213041 = 329237013943
BaseRepresentation
bin10011001101000011…
…110111101100110001
31222020001120100121010
4103031003313230301
5314212233304131
613250042421133
71326662630121
oct231503675461
958201510533
1020620213041
11882163328a
123bb58017a9
131c3802c8bc
14dd8810c81
1580a42cb46
hex4cd0f7b31

20620213041 has 8 divisors (see below), whose sum is σ = 28441673280. Its totient is φ = 13272780752.

The previous prime is 20620213027. The next prime is 20620213063. The reversal of 20620213041 is 14031202602.

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

It is a cyclic number.

It is not a de Polignac number, because 20620213041 - 214 = 20620196657 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20620212999 and 20620213017.

It is not an unprimeable number, because it can be changed into a prime (20620213001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118506885 + ... + 118507058.

It is an arithmetic number, because the mean of its divisors is an integer number (3555209160).

Almost surely, 220620213041 is an apocalyptic number.

It is an amenable number.

20620213041 is a deficient number, since it is larger than the sum of its proper divisors (7821460239).

20620213041 is a wasteful number, since it uses less digits than its factorization.

20620213041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237013975.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20620213041 its reverse (14031202602), we get a palindrome (34651415643).

The spelling of 20620213041 in words is "twenty billion, six hundred twenty million, two hundred thirteen thousand, forty-one".

Divisors: 1 3 29 87 237013943 711041829 6873404347 20620213041