Search a number
-
+
20396341735 = 5711407313007
BaseRepresentation
bin10010111111101101…
…110111100111100111
31221122110022111220021
4102333231313213213
5313232430413420
613211524220011
71321304021110
oct227755674747
957573274807
1020396341735
118717226480
123b5283a607
131c00838083
14db6bb7207
157e595a7aa
hex4bfb779e7

20396341735 has 32 divisors (see below), whose sum is σ = 30524884992. Its totient is φ = 12710503680.

The previous prime is 20396341733. The next prime is 20396341769. The reversal of 20396341735 is 53714369302.

It is a happy number.

It is not a de Polignac number, because 20396341735 - 21 = 20396341733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20396341691 and 20396341700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20396341733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1561602 + ... + 1574608.

It is an arithmetic number, because the mean of its divisors is an integer number (953902656).

Almost surely, 220396341735 is an apocalyptic number.

20396341735 is a deficient number, since it is larger than the sum of its proper divisors (10128543257).

20396341735 is a wasteful number, since it uses less digits than its factorization.

20396341735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17103.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 20396341735 in words is "twenty billion, three hundred ninety-six million, three hundred forty-one thousand, seven hundred thirty-five".

Divisors: 1 5 7 11 35 55 77 385 4073 13007 20365 28511 44803 65035 91049 142555 143077 224015 313621 455245 715385 1001539 1568105 5007695 52977511 264887555 370842577 582752621 1854212885 2913763105 4079268347 20396341735