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23332331220 = 22351167352529
BaseRepresentation
bin10101101110101101…
…110001111011010100
32020020001220020022120
4111232231301323110
5340241034044340
614415124455540
71454124354162
oct255655617324
966201806276
1023332331220
119993546870
124631b4a5b0
13227ab9a063
1411b4aba232
159185a84d0
hex56eb71ed4

23332331220 has 96 divisors (see below), whose sum is σ = 71376923520. Its totient is φ = 5647810560.

The previous prime is 23332331177. The next prime is 23332331237. The reversal of 23332331220 is 2213323332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417916 + ... + 470444.

It is an arithmetic number, because the mean of its divisors is an integer number (743509620).

Almost surely, 223332331220 is an apocalyptic number.

23332331220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23332331220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35688461760).

23332331220 is an abundant number, since it is smaller than the sum of its proper divisors (48044592300).

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

23332331220 is a wasteful number, since it uses less digits than its factorization.

23332331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53225 (or 53223 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 23332331220 its reverse (2213323332), we get a palindrome (25545654552).

It can be divided in two parts, 233323312 and 20, that added together give a palindrome (233323332).

The spelling of 23332331220 in words is "twenty-three billion, three hundred thirty-two million, three hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 673 1346 2019 2692 3365 4038 6730 7403 8076 10095 13460 14806 20190 22209 29612 37015 40380 44418 52529 74030 88836 105058 111045 148060 157587 210116 222090 262645 315174 444180 525290 577819 630348 787935 1050580 1155638 1575870 1733457 2311276 2889095 3151740 3466914 5778190 6933828 8667285 11556380 17334570 34669140 35352017 70704034 106056051 141408068 176760085 212112102 353520170 388872187 424224204 530280255 707040340 777744374 1060560510 1166616561 1555488748 1944360935 2121121020 2333233122 3888721870 4666466244 5833082805 7777443740 11666165610 23332331220