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52224020220 = 223514938915017
BaseRepresentation
bin110000101000110010…
…110100111011111100
311222210120201002211010
4300220302310323330
51323423322121340
635554045555220
73526105563501
oct605062647374
9158716632733
1052224020220
112016a109399
12a155875b10
134c03761618
142755c614a8
151559c58b80
hexc28cb4efc

52224020220 has 96 divisors (see below), whose sum is σ = 147596904000. Its totient is φ = 13796460544.

The previous prime is 52224020209. The next prime is 52224020221. The reversal of 52224020220 is 2202042225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52224020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3470152 + ... + 3485168.

It is an arithmetic number, because the mean of its divisors is an integer number (1537467750).

Almost surely, 252224020220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52224020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73798452000).

52224020220 is an abundant number, since it is smaller than the sum of its proper divisors (95372883780).

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

52224020220 is a wasteful number, since it uses less digits than its factorization.

52224020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15567 (or 15565 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 52224020220 its reverse (2202042225), we get a palindrome (54426062445).

The spelling of 52224020220 in words is "fifty-two billion, two hundred twenty-four million, twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 149 298 389 447 596 745 778 894 1167 1490 1556 1788 1945 2235 2334 2980 3890 4470 4668 5835 7780 8940 11670 15017 23340 30034 45051 57961 60068 75085 90102 115922 150170 173883 180204 225255 231844 289805 300340 347766 450510 579610 695532 869415 901020 1159220 1738830 2237533 3477660 4475066 5841613 6712599 8950132 11187665 11683226 13425198 17524839 22375330 23366452 26850396 29208065 33562995 35049678 44750660 58416130 67125990 70099356 87624195 116832260 134251980 175248390 350496780 870400337 1740800674 2611201011 3481601348 4352001685 5222402022 8704003370 10444804044 13056005055 17408006740 26112010110 52224020220