Search a number
-
+
20122106 = 217956207
BaseRepresentation
bin100110011000…
…0100111111010
31101212022100012
41030300213322
520122401411
61555141522
7333015014
oct114604772
941768305
1020122106
11103a4044
1268a48a2
134226b94
14295b1b4
151b7718b
hex13309fa

20122106 has 8 divisors (see below), whose sum is σ = 30352320. Its totient is φ = 10004668.

The previous prime is 20122093. The next prime is 20122133. The reversal of 20122106 is 60122102.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27746 + ... + 28461.

It is an arithmetic number, because the mean of its divisors is an integer number (3794040).

Almost surely, 220122106 is an apocalyptic number.

20122106 is a deficient number, since it is larger than the sum of its proper divisors (10230214).

20122106 is a wasteful number, since it uses less digits than its factorization.

20122106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56388.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20122106 is about 4485.7670470055. The cubic root of 20122106 is about 271.9930523744.

Adding to 20122106 its reverse (60122102), we get a palindrome (80244208).

The spelling of 20122106 in words is "twenty million, one hundred twenty-two thousand, one hundred six".

Divisors: 1 2 179 358 56207 112414 10061053 20122106