Search a number
-
+
20200110 = 2357432237
BaseRepresentation
bin100110100001…
…1101010101110
31102000021100020
41031003222232
520132400420
62000543010
7333461310
oct115035256
942007306
1020200110
1110447707
126921a66
134253538
14297b7b0
151b90340
hex1343aae

20200110 has 64 divisors (see below), whose sum is σ = 56719872. Its totient is φ = 4507776.

The previous prime is 20200109. The next prime is 20200111. The reversal of 20200110 is 1100202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20200109) and next prime (20200111).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200111) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7912 + ... + 10148.

It is an arithmetic number, because the mean of its divisors is an integer number (886248).

Almost surely, 220200110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28359936).

20200110 is an abundant number, since it is smaller than the sum of its proper divisors (36519762).

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

20200110 is a wasteful number, since it uses less digits than its factorization.

20200110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 20200110 is about 4494.4532481716. The cubic root of 20200110 is about 272.3440625090.

Adding to 20200110 its reverse (1100202), we get a palindrome (21300312).

The spelling of 20200110 in words is "twenty million, two hundred thousand, one hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 43 70 86 105 129 210 215 258 301 430 602 645 903 1290 1505 1806 2237 3010 4474 4515 6711 9030 11185 13422 15659 22370 31318 33555 46977 67110 78295 93954 96191 156590 192382 234885 288573 469770 480955 577146 673337 961910 1346674 1442865 2020011 2885730 3366685 4040022 6733370 10100055 20200110