Search a number
-
+
20420314 = 216362639
BaseRepresentation
bin100110111100…
…1011011011010
31102102110101221
41031321123122
520211422224
62005402254
7335366305
oct115713332
942373357
1020420314
11105880a2
126a0938a
1342cc835
1429d7b3c
151bd56e4
hex13796da

20420314 has 8 divisors (see below), whose sum is σ = 30818880. Its totient is φ = 10147356.

The previous prime is 20420311. The next prime is 20420329. The reversal of 20420314 is 41302402.

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

It is not an unprimeable number, because it can be changed into a prime (20420311) 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, 30994 + ... + 31645.

It is an arithmetic number, because the mean of its divisors is an integer number (3852360).

Almost surely, 220420314 is an apocalyptic number.

20420314 is a deficient number, since it is larger than the sum of its proper divisors (10398566).

20420314 is a wasteful number, since it uses less digits than its factorization.

20420314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62804.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20420314 is about 4518.8841543018. The cubic root of 20420314 is about 273.3301073715.

Adding to 20420314 its reverse (41302402), we get a palindrome (61722716).

The spelling of 20420314 in words is "twenty million, four hundred twenty thousand, three hundred fourteen".

Divisors: 1 2 163 326 62639 125278 10210157 20420314