Search a number
-
+
20110120220202 = 237147206854977
BaseRepresentation
bin1001001001010010000001…
…00100100111011000101010
32122012111201212002022010220
410210221000210213120222
510113441011234021302
6110434243420350510
74143623345321355
oct444510044473052
978174655068126
1020110120220202
11645372165a391
1223095866a5436
13b2b4b7683b4c
144d74993b729c
1524d19c7c94bc
hex124a4092762a

20110120220202 has 16 divisors (see below), whose sum is σ = 40786722700992. Its totient is φ = 6608959696640.

The previous prime is 20110120220161. The next prime is 20110120220207. The reversal of 20110120220202 is 20202202101102.

It is not an unprimeable number, because it can be changed into a prime (20110120220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23603427063 + ... + 23603427914.

It is an arithmetic number, because the mean of its divisors is an integer number (2549170168812).

Almost surely, 220110120220202 is an apocalyptic number.

20110120220202 is an abundant number, since it is smaller than the sum of its proper divisors (20676602480790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110120220202 is a wasteful number, since it uses less digits than its factorization.

20110120220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47206855053.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20110120220202 its reverse (20202202101102), we get a palindrome (40312322321304).

The spelling of 20110120220202 in words is "twenty trillion, one hundred ten billion, one hundred twenty million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 71 142 213 426 47206854977 94413709954 141620564931 283241129862 3351686703367 6703373406734 10055060110101 20110120220202