Search a number
-
+
20104202 = 2137239307
BaseRepresentation
bin100110010110…
…0010000001010
31101211101210002
41030230100022
520121313302
61554523002
7332611556
oct114542012
941741702
1020104202
1110391648
126896462
13421b9a1
142954866
151b71c02
hex132c40a

20104202 has 16 divisors (see below), whose sum is σ = 30602880. Its totient is φ = 9904608.

The previous prime is 20104199. The next prime is 20104207. The reversal of 20104202 is 20240102.

It is not an unprimeable number, because it can be changed into a prime (20104207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65333 + ... + 65639.

It is an arithmetic number, because the mean of its divisors is an integer number (1912680).

Almost surely, 220104202 is an apocalyptic number.

20104202 is a deficient number, since it is larger than the sum of its proper divisors (10498678).

20104202 is a wasteful number, since it uses less digits than its factorization.

20104202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20104202 is about 4483.7709575758. The cubic root of 20104202 is about 271.9123582257.

Adding to 20104202 its reverse (20240102), we get a palindrome (40344304).

The spelling of 20104202 in words is "twenty million, one hundred four thousand, two hundred two".

Divisors: 1 2 137 239 274 307 478 614 32743 42059 65486 73373 84118 146746 10052101 20104202