Search a number
-
+
20200220220210 = 2355361432068133
BaseRepresentation
bin1001001011111001110101…
…11100110101101100110010
32122112010022002010112111020
410211330322330311230302
510121430022334021320
6110543504132200310
74153263200560212
oct445747274655462
978463262115436
1020200220220210
116488957771a08
122322b30a69096
13b36b46119914
144db9a56a6242
152506c280a940
hex125f3af35b32

20200220220210 has 64 divisors (see below), whose sum is σ = 49403320270848. Its totient is φ = 5284226165504.

The previous prime is 20200220220181. The next prime is 20200220220217. The reversal of 20200220220210 is 1202202200202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20200220220210.

It is not an unprimeable number, because it can be changed into a prime (20200220220217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8733304 + ... + 10801436.

It is an arithmetic number, because the mean of its divisors is an integer number (771926879232).

Almost surely, 220200220220210 is an apocalyptic number.

20200220220210 is an abundant number, since it is smaller than the sum of its proper divisors (29203100050638).

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

20200220220210 is a wasteful number, since it uses less digits than its factorization.

20200220220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074339.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20200220220210 its reverse (1202202200202), we get a palindrome (21402422420412).

The spelling of 20200220220210 in words is "twenty trillion, two hundred billion, two hundred twenty million, two hundred twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 6143 12286 18429 30715 36858 61430 92145 184290 325579 651158 976737 1627895 1953474 2068133 3255790 4136266 4883685 6204399 9767370 10340665 12408798 20681330 31021995 62043990 109611049 219222098 328833147 548055245 657666294 1096110490 1644165735 3288331470 12704541019 25409082038 38113623057 63522705095 76227246114 127045410190 190568115285 381136230570 673340674007 1346681348014 2020022022021 3366703370035 4040044044042 6733406740070 10100110110105 20200220220210